High School

Complete the sentence to explain how to use mental math to express [tex]\frac{12}{25}[/tex] as a percent.

Multiply the numerator and the denominator by ___ to get ___.

Answer :

Multiply the numerator and the denominator by 4 to get 48/100.

To use mental math to express 12/25 as a percent, you should multiply both the numerator (12) and the denominator (25) by 4. This will give you:

  • [tex](12 x 4) / (25 x 4) = 48 / 100[/tex]

Since a percent is a ratio with the denominator of 100, 48/100 can be easily expressed as 48%. Hence, 12/25 as a percent is 48%.