Question

6. The sum of the one-eighth, one-twelfthandone- twentieth
parts is 31, find the number​

Answer 1

Answer:

120

Step-by-step explanation:

Given,

let the number = x .

x / 8 + x / 12 + x / 20 = 31

( 15x + 10x + 6x ) / 120 = 31

31x / 120 = 31

x = 31 * 120 / 31

x = 120.

Answer = 120