Need help with a math question!!! Watch

noah_addd
Badges: 3
Rep:
?
#1
Report Thread starter 3 years ago
#1
The ocean liner Queen Mary 2 is the longest of its type.
It has a length of 345 metres.
A scale model is made of the Queen Mary 2
The scale of the model is 1 : 200
Work out the length of the scale model.
Give your answer in centimetres.
0
reply
Kevin De Bruyne
Badges: 21
Rep:
?
#2
Report 3 years ago
#2
(Original post by noah_addd)
The ocean liner Queen Mary 2 is the longest of its type.
It has a length of 345 metres.
A scale model is made of the Queen Mary 2
The scale of the model is 1 : 200
Work out the length of the scale model.
Give your answer in centimetres.
Please post this in the Maths forum.

What have you tried so far?
0
reply
noah_addd
Badges: 3
Rep:
?
#3
Report Thread starter 3 years ago
#3
(Original post by SeanFM)
Please post this in the Maths forum.

What have you tried so far?
Oh, sorry
i've tried doing 1:200 into a fraction and cross multiplying 1/345, but i have no idea what to do! It was in an exam and i blanked out on this question and wanted to know how to work it out.
1
reply
Kevin De Bruyne
Badges: 21
Rep:
?
#4
Report 3 years ago
#4
(Original post by noah_addd)
Oh, sorry
i've tried doing 1:200 into a fraction and cross multiplying 1/345, but i have no idea what to do! It was in an exam and i blanked out on this question and wanted to know how to work it out.
No worries

If you had to express what 1:200 means in words, in this context, what would you say?
1
reply
noah_addd
Badges: 3
Rep:
?
#5
Report Thread starter 3 years ago
#5
(Original post by SeanFM)
No worries

If you had to express what 1:200 means in words, in this context, what would you say?
1 to 200?
0
reply
markovchain17
Badges: 19
Rep:
?
#6
Report 3 years ago
#6
1m of the model represents 200m of the actual thing

Posted from TSR Mobile
0
reply
noah_addd
Badges: 3
Rep:
?
#7
Report Thread starter 3 years ago
#7
(Original post by eternaforest)
1m of the model represents 200m of the actual thing

Posted from TSR Mobile
Ah i see thanks!
1
reply
Kevin De Bruyne
Badges: 21
Rep:
?
#8
Report 3 years ago
#8
(Original post by noah_addd)
1 to 200?
Yes, it is a ratio, 1 to 200. But what does that 1 represent? For every 1 ... you have 200... ? What's in the blanks?

So when you have 345 of the...
0
reply
noah_addd
Badges: 3
Rep:
?
#9
Report Thread starter 3 years ago
#9
(Original post by SeanFM)
Yes, it is a ratio, 1 to 200. But what does that 1 represent? For every 1 ... you have 200... ? What's in the blanks?
1cm represents 200 meters!
for every 1 cm you have 200 meters.
0
reply
Tootles
Badges: 20
#10
Report 3 years ago
#10
(Original post by noah_addd)
The ocean liner Queen Mary 2 is the longest of its type.
It has a length of 345 metres.
A scale model is made of the Queen Mary 2
The scale of the model is 1 : 200
Work out the length of the scale model.
Give your answer in centimetres.
You mean maths.

172.5cm.
reply
Kevin De Bruyne
Badges: 21
Rep:
?
#11
Report 3 years ago
#11
(Original post by noah_addd)
1cm represents 200 meters!
for every 1 cm you have 200 meters.
I can see why you'd think it was that, but that would be 1:20000.
0
reply
noah_addd
Badges: 3
Rep:
?
#12
Report Thread starter 3 years ago
#12
(Original post by Tootles)
You mean maths.

172.5cm.
I get it now, 345/200 metres which is 1.725 metres then convert to cm 172.5
0
reply
Tootles
Badges: 20
#13
Report 3 years ago
#13
(Original post by noah_addd)
I get it now, 345/200 metres which is 1.725 metres then convert to cm 172.5
:congrats:
reply
noah_addd
Badges: 3
Rep:
?
#14
Report Thread starter 3 years ago
#14
(Original post by noah_addd)
I get it now, 345/200 metres which is 1.725 metres then convert to cm 172.5
Thanks alot you guys!
0
reply
P.P777
Badges: 1
Rep:
?
#15
Report 1 week ago
#15
20 men were assigned to finish task A in 12 days working 8 hours a day. After 4 days, 4 men were transferred to task B. How many hours per day do the remaining men need to work in order to complete task A without exceeding 12 days?
0
reply
old_engineer
Badges: 11
Rep:
?
#16
Report 1 week ago
#16
What have you tried? Where are you stuck?
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
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

University open days

  • Solent University
    Postgraduate and Professional Open Evenings Postgraduate
    Mon, 25 Mar '19
  • Cardiff University
    Undergraduate Open Day Undergraduate
    Wed, 27 Mar '19
  • University of Portsmouth
    Postgraduate and Part-Time Open Evenings Postgraduate
    Wed, 27 Mar '19

Where do you need more help?

Which Uni should I go to? (149)
18.53%
How successful will I become if I take my planned subjects? (79)
9.83%
How happy will I be if I take this career? (136)
16.92%
How do I achieve my dream Uni placement? (114)
14.18%
What should I study to achieve my dream career? (79)
9.83%
How can I be the best version of myself? (247)
30.72%

Watched Threads

View All