Question

A numberwhen decreased by 20%.
beecome 160-find the Number​

Answer 1

Answer:

let the no. be x

according to the case given:

x-20%of x = 160

$x - \frac{20}{100} x = 16 \\ x - \frac{x}{5} = 160 \\ \frac{5x - x}{5} = 160 \\ 4x = 160 \times 5 \\ x = \frac{160 \times 5}{4} \\ x = 40 \times 5 \\ x = \: 200$