Question

The sum of two numbers is 45 and there ratio is 7:2 what is the length

Answer 1

7x+2x =45
45÷9=x
5=x
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Answer 2

let ratio be 7x and 2x
sum of ratio=9x
9x=45
x=45/9
=5
1st side=7*5=35
2nd side=9*2=12

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