Math

Types of Percent Problems

Type

Example

Proportion

Find the Missing Part

In a survey of 50 people at Scoops Ice Cream Shop, 20% of people said their favorite ice cream flavor was vanilla. How many people said that their favorite flavor was vanilla?

=

percent

Find the Missing Whole

30% of the gumballs in a machine are pink. If there are 15 pink gumballs in the machine, how many gumballs are there in all?

=

percent

Find the New Whole

A salesperson sold 20 cars last month. He sold 25% more this month than last month. How many cars did he sell this month?

=

percent