Question

42 is 30% of what number??? Add work plz

Answer 1

X - the number

$30\% x =42 \\ \frac{30}{100}x=42 \\ \frac{3}{10}x=42 \\ x=42 \times \frac{10}{3} \\ x=\frac{420}{3} \\ x=140$

42 is 30% of 140.