Question

three numbers are in the ratio 4:5:7. If the sum of the largest and smallest number is 72 more than the third number, find the number

Answer 1

Let the three numbers be 4x,5x,7x.
According to the question,
7x+4x=72+5x
on solving,
x=12

therefore,the numbers will be 48,60and 84.

Answer 2

name them as he has done u will get x=12