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Find a 15% tip for a lunch that cost $42 using mental math

Find a 15% tip for a lunch that cost $42 using mental math
asked 152k views
4 votes
Find a 15% tip for a lunch that cost $42 using mental math

Find a 15% tip for a lunch that cost $42 using mental math-example-1
asked
User Anthony K
by
9.0k points

1 Answer

4 votes

Answer:

$6.3

Explanation:

10% of 42 = 4.2

5% is half of that =2.1

total 6.3

answered
User Michael Swarts
by
8.5k points
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