Question

A rational number is such that when you multiply it by 5 by 2 and add 2 by 3 to the product you get _7 by 12 what is the number​

Answer 1

Answer: -1/30

Step-by-step explanation:

let number be x;

so x*5/2 + 2/3 = 7/12

==> 5*x/2 = -1/12(taking 2/3 to R.H.S)

x = -1/12*2/5 = -1/30

∴ number is -1/30