math
posted by Sam .
Estimate a 15% tip on a taxi ride that cost 23.25.

math 
Ms. Sue
What is your estimate?

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

math 
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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