Question

by what number should we multiply -15/28, so that the product may be -5/7?

Answer 1

Answer:

let x be the required no. by the given condition, we have,

(-15/28) x = -5/7

x = (-5/7 ) / (-15/28)

x = -5/7 × -28/15

x = -3/4 is the final answer