Percent Word Problems

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

What does it mean if 25% of a group did something?

Back

It means that out of every 100 members of the group, 25 members did that action.

Front

If a factory made 125 packs of gum and 32% are mint-flavored, how many packs are mint-flavored?

Back

40 packs.

Front

What is the formula to find the total number when given a part and its percentage?

Back

Total = Part / (Percentage in decimal form).

Front

If 20% of the council members voted in favor of a tax and there are 20 members, how many voted in favor?

Back

4 council members.

Front

How do you find the percentage of students who passed a test?

Back

Percentage of students who passed = (Number of students who passed / Total number of students) x 100.

Front

If 30% of grapes are red and there are 60 grapes, how many are red?

Back

18 red grapes.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 = 0.25 = 25%.

Front

If 25% of teachers teach basic math and there are 50 basic math teachers, how many teachers are there in total?

Back

200 teachers.