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primary 6 | Maths | Measurement
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Cher
Cher

primary 6 chevron_right Maths chevron_right Measurement chevron_right Singapore

Can somebody help me. I dont understand

Date Posted: 1 month ago
Views: 11
J
J
1 month ago
1 ÷ 4 = 1/4

Each girl supposed to pay 1/4 of the cake price

But due to the error in calculation, 1 ÷ 3
= 1/3

Each girl paid 1/3 of the price.


1/3 - 1/4 = 4/12 - 3/12 = 1/12

So each girl paid 1/12 more than they needed to. And 1/12 of the price = $2.40

Correct share = 3/12 = $2.40 x 3 = $7.2)

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Cher
Cher's answer
4 answers (A Helpful Person)
1st
The ans is 7.20
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AC Lim
Ac Lim's answer
1248 answers (A Helpful Person)
Algebra method for your reference since I have done.