What is the fraction for 0.8?

Determine what is missing. 12 is 50% of what number?

120 is 50% of what number? What is missing?

What percent of 900 is 135? What is missing?

In the problem: 15 is 25% of 60. The percentage in the problem is __________.

If 35% of 90 is 31.5, what is the base?

If _____ of 90 is 31.5, which is missing?

Express 2.3 as percent.

Out of 20 school days in July, Alvin was absent for 5 days which is 25% of the total number of school days during the month.

The percentage in the problem is __________.