Question

if a certain number decreased by 21 is 81,what is the number

Answer 1

$<b><i><red>$Let the number be x

If x is decreased be 21, the number will be x - 21


A/q,

x - 21 = 81

x = 81 + 21

x = 102




$\therefore{}$ The number is 102

Answer 2

Heya mate.....

Let the number=x

According to question

X-21=81

X=81+21

X=102

Hope u like it

@skb