Question

$<b><font face=Copper black size=4>$ 2/3 of a number is 20 less than the original number. Find the number.

Answer 1

$<i><font face=Copper black size=4>$Let the required number be x.

A/q,

2/3 × x = x - 20

=> 2x = 3 (x - 20)

=> 2x = 3x - 60

=> 2x - 3x = - 60

=> - x = - 60

=> x = 60

•°• The required number is 60.

Answer 2

$<b><font face=Copper black size=4>$ Solution :—
.............................................

Let the required number be n.

A/q,

2/3 × n = n - 20

=> 2n/3 - n = - 20

=> 2n - 3n/3 = -20

=> - n = - 20 × 3

=> - n = - 60

=> n = 60

•°• The required number is 60.