mildred0102 mildred0102

02-09-2015
Mathematics

contestada

A wireless cafe charges $5.40 for 3/4 hour of Internet access. How much does the cafe charge per hour?

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ImSlightlyConfused ImSlightlyConfused

02-09-2015

5.40/x=0.75/1

cross multiply:
0.75x=5.40

divide:
0.75x/0.75=5.40/0.75

x=$7.20

just to check:
5.40/3=1.8

1.8*4=7.2

the answer is $7.20 for 1 hour

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