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Home > MC1 > Chapter 9 > Lesson 9.2.5 > Problem 9-107

9-107.

10% of $60 is $6
5% of $60 is $3
1% of $60 is $0.60
Can you combine these to find 18% of $60? Can you find more than one way?

You can see 18% as 10% + 5% + 3(1%) or as 2(10%) − 2(1%).