Percentage, Rate, and Base What is 18% of 20?

What percent of 55 is 33?

20 is 40% of what number?

Claire saves P480 a month. If her savings is 8% of her salary, then how much is her salary?
Claire's salary is

Grace joined a Quizbee in school. Out of 30 questions asked, 60% were about Math. How many questions were about Math?
There were Math questions.

Of the 120 books in the shelves, 24 are about plants and animals. What percent of the books are about plants and animals?
are about plants and animals.