Question

if 30% of a number is 90,the Number is​

Answer 1

Answer:

Let the required number be x.

$Atq$

$\: \: \: \: \: \: \: 30\% \: of \: x = 90$

$= > \frac{30}{100} \times x = 90$

$= > \frac{3x}{10} = 90$

$= > 3x = 10 \times 90$

$= > x = \frac{10 \times 90}{3}$

$= > x = 10 \times 30$

$= > x = 300$

Hence, the required number is 300.

Answer 2

Answer:

a no. be x

x+30=90

x= 90-30

=60