Q17

pptx

School

University of Texas, El Paso *

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Course

3300

Subject

Mathematics

Date

Nov 24, 2024

Type

pptx

Pages

1

Uploaded by GrandProtonOctopus20

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Tom wants to mentally calculate a 20% tip on his bill of $40. Which of the following is best for Tom to use in the mental calculation of the tip? A 40 (20/100) B 40x.x2 Tom can quickly find 10% of 40 and then double it. In this case the answer is $8 because 10% of 40 is 4 and 4 x 2 is 8. C 40 (200/1000) D 40x.02 X This is equal to multiplying by 2% rather than 20%.
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