At Pizza Pi, 95% of the pizzas made last week had extra cheese. If 19 pizzas had extra cheese, how many pizzas in all were made last week?

If you would like to know how many pizzas in all were made last week, you can calculate this using the following steps:

95% of x = 19

95/100 * x = 19 / * 100

95 * x = 19 * 100 / 95

x = 19 * 100 / 95

x = 20

Result: 20 pizzas were made last week.

95:19=5

5% = 1 pizza

100%=20 pizzas