# math

posted by Sam

Estimate a 15% tip on a taxi ride that cost 23.25.

1. Ms. Sue

2. Sam

15/23.25= x/100 then you cross multiply?

3. Ms. Sue

No. Besides, your instructions tell you to estimate.

When I estimate I first figure 10%. Then I double the 10%, and tip some amount between.

10% of 23 = 2.30
2.30 * 2 = 4.60

Estimate a number between 2.30 and 4.60

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