Answer :
x - the number
[tex]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[/tex]
42 is 30% of 140.
[tex]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[/tex]
42 is 30% of 140.
