Video and Examples
Learn how to find the part of something when you are given the percent and the whole.
There are 40 kids riding on a bus. 60% of the students have green backpacks. How many students have green backpacks? To solve this problem you need to know that the 40 kids represents the 100%, since they are all the kids on the bus. The kids with green backpacks is the "part" of the bus, which is 60%. 
There are many ways to solve this problem. Here are a few of the ways in no particular order. Make sure you understand at least a few of the methods.
SelfCheck
Question 1 There are 35 people in a room. 20% of those people are lefthanded. How many people are righthanded?

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Question 2 James has 150 stamps. 45% of them are in excellent condition. How many stamps is this?

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Question 3 How much is 8% sales tax for a bicycle that costs $240?

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