Question

2/5 of a number exceeds 2/7 of same number by 45 find the number

Answer 1

Answer:

393 ¾

Step-by-step explanation:

the number : x

2/5 of x - 2/7 of x = 45

2x/5 - 2x/7 = 45

( 14x - 10x )/ 35 = 45

4x = 45 × 35

x = 393 ¾

Answer 2

let the required number to be n. then,

A/Q 2/5n - 2/7n = 45

═> 4/35n = 45

═> n = 45 x 35 / 4

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