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Stuck on question from the specimen Paper 2 for AQA bio

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!
Reply 1
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%
Reply 2
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%
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! :biggrin:
Reply 4
Original post by JustWondering98
Ahh that makes sense! Thank you! :biggrin:


You're very welcome, I'm glad it helped :h:
Original post by AshEntropy
You're very welcome, I'm glad it helped :h:


hi again...do you take physics? :smile:
Reply 6
Original post by JustWondering98
hi again...do you take physics? :smile:


Sadly not :frown: I take Biology, Chemistry and Geography :smile:
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)
Original post by AshEntropy
Sadly not :frown: I take Biology, Chemistry and Geography :smile:


Ahh okay, no worries :smile:
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! :smile: btw do u take physics?? aha :smile:
Original post by JustWondering98
Ah I see,yh, i understand now, thank you! :smile: btw do u take physics?? aha :smile:


hey,
I take physics
Original post by Ishea16
hey,
I take physics


Ahh okay :smile: ...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 :wink:
(edited 7 years ago)
Original post by JustWondering98
Ahh okay :smile: ...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 :wink:


I can't see the attachments :smile:
Original post by Ishea16
I can't see the attachments :smile:


Oh silly me...forgot to attach them!! :')
Original post by JustWondering98
Ah I see,yh, i understand now, thank you! :smile: btw do u take physics?? aha :smile:


No I don't sorry, I take biology, chemistry, maths and latin :smile:
Original post by lucyjenkins
No I don't sorry, I take biology, chemistry, maths and latin :smile:


ahh okay, no worries then aha :smile:

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