70 pennies decreased by 20%

x/is = %/100.

x/70 = 20/100
How do you do this?

70 * 1.2 = ? pennies

I think I'd try 70 * 0.8, since it's decreased

14

To calculate the decrease of 20% on 70 pennies, you can follow these steps:

1. Convert the percentage to a decimal by dividing it by 100. In this case, 20 divided by 100 equals 0.2.
2. Multiply the original value (70) by the decimal value (0.2) to calculate the amount of the decrease. 70 * 0.2 equals 14.
3. Subtract the decrease value (14) from the original value (70) to find the final amount. 70 - 14 equals 56.

Therefore, 70 pennies decreased by 20% is equal to 56 pennies.