Stuck on question from the specimen Paper 2 for AQA bio

Watch
JustWondering98
Badges: 7
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#1
Report Thread starter 5 years ago
#1
Hey guys... does anyone know how to do this question from the specimen Paper 2 (see attached)?? the answer is 78-81%, but I am not sure how to work it out...any help would really be appreciated! Image
Attached files
1
reply
2384911
Badges: 3
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#2
Report 5 years ago
#2
Group A after 1 second = 4.2
Group B after 1 second = 0.8

4.2 - 0.8 = 3.4

3.4 / 4.2 = 0.81

0.81 x 100 = 81%
0
reply
2384911
Badges: 3
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#3
Report 5 years ago
#3
(Original post by JustWondering98)
x
Group A after 1 second = 4.2
Group B after 1 second = 0.8

4.2 - 0.8 = 3.4

3.4 / 4.2 = 0.81

0.81 x 100 = 81%
0
reply
JustWondering98
Badges: 7
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#4
Report Thread starter 5 years ago
#4
(Original post by AshEntropy)
Group A after 1 second = 4.2
Group B after 1 second = 0.8

4.2 - 0.8 = 3.4

3.4 / 4.2 = 0.81

0.81 x 100 = 81%
Ahh that makes sense! Thank you!
0
reply
2384911
Badges: 3
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#5
Report 5 years ago
#5
(Original post by JustWondering98)
Ahh that makes sense! Thank you!
You're very welcome, I'm glad it helped
0
reply
JustWondering98
Badges: 7
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#6
Report Thread starter 5 years ago
#6
(Original post by AshEntropy)
You're very welcome, I'm glad it helped
hi again...do you take physics?
0
reply
2384911
Badges: 3
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#7
Report 5 years ago
#7
(Original post by JustWondering98)
hi again...do you take physics?
Sadly not I take Biology, Chemistry and Geography
0
reply
lucyjenkins
Badges: 0
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#8
Report 5 years ago
#8
You do the percentage decrease which is 3.4 (4.2-0.8) then divide that by the original which is 4.2 then times by 100 and you get 81% (rounded up)
0
reply
JustWondering98
Badges: 7
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#9
Report Thread starter 5 years ago
#9
(Original post by AshEntropy)
Sadly not I take Biology, Chemistry and Geography
Ahh okay, no worries
0
reply
JustWondering98
Badges: 7
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#10
Report Thread starter 5 years ago
#10
(Original post by lucyjenkins)
You do the percentage decrease which is 3.4 (4.2-0.8) then divide that by the original which is 4.2 then times by 100 and you get 81% (rounded up)
Ah I see,yh, i understand now, thank you! btw do u take physics?? aha
0
reply
blackcurrent101
Badges: 17
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#11
Report 5 years ago
#11
(Original post by JustWondering98)
Ah I see,yh, i understand now, thank you! btw do u take physics?? aha
hey,
I take physics
0
reply
JustWondering98
Badges: 7
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#12
Report Thread starter 5 years ago
#12
(Original post by Ishea16)
hey,
I take physics
Ahh okay ...Would you happen to know how to do any of these questions (see attached) ...they are from the specimen Paper 2 and I really don't understand how to do them
0
reply
blackcurrent101
Badges: 17
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#13
Report 5 years ago
#13
(Original post by JustWondering98)
Ahh okay ...Would you happen to know how to do any of these questions (see attached) ...they are from the specimen Paper 2 and I really don't understand how to do them
I can't see the attachments
0
reply
JustWondering98
Badges: 7
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#14
Report Thread starter 5 years ago
#14
(Original post by Ishea16)
I can't see the attachments
Oh silly me...forgot to attach them!! :')
0
reply
lucyjenkins
Badges: 0
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#15
Report 5 years ago
#15
(Original post by JustWondering98)
Ah I see,yh, i understand now, thank you! btw do u take physics?? aha
No I don't sorry, I take biology, chemistry, maths and latin
0
reply
JustWondering98
Badges: 7
Rep:
? You'll earn badges for being active around the site. Rep gems come when your posts are rated by other community members.
#16
Report Thread starter 5 years ago
#16
(Original post by lucyjenkins)
No I don't sorry, I take biology, chemistry, maths and latin
ahh okay, no worries then aha
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

What is your favourite revision method?

Taking notes manually (53)
21.72%
Note taking apps (6)
2.46%
Flashcards (47)
19.26%
Revision guides (15)
6.15%
Past papers (115)
47.13%
Something else (let us know in the thread) (8)
3.28%

Watched Threads

View All