Question

a number when added to 3whole1/2 times of it get the results 72 . Find the number​

Answer 1

Answer:

let the number be x

x + 3 1/2 * x = 72

x + 7/2* x = 72

2x + 7x = 72

2

9x = 72 * 2

x = 72 * 2

9

x = 8 * 2

x = 16