Question

a girl was asked to multiply a number by 7/8. instead she divided the number by 7/8 and got the result 15 more than the correct result. what is the number? ​

Answer 1

Answer:

x=56

Step-by-step explanation:

the number is 56.

let it be x

then x*7/8+15=x/(7/8)

7x+120/8=8x/7

cross multiplying

49x+840=64x

15x=840

x=56