Question

The sum of two number is 45and their ratio is 7:8 find the number​

Answer 1

Let the two numbers be 7x and 8x.

According to question -

7x + 8x = 45

15x = 45

x = 3

So, 1st number = 7x = 7×3 = 21

2nd number = 8x =8×3 = 24

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Answer 2

Let the number be x

The sum of two no.=45

The ratio7:8

Let the ratio be x

A.T.Q

7x + 8x = 45

15x = 45

x = 45/15

x = 3

The first no.=7x= 7*3 =21

The second no.= 8x = 8*3 = 24

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