Ellaine19 Ellaine19

18-10-2016
Mathematics

contestada

Roscoe's family has a dinner at a restaurant. The total cost is $103.80. This includes 5% tax and 15% tip on the pre-tax amount. How much was the bill before tax and tip?

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reno911moreno reno911moreno

18-10-2016

ANSWER= $86.50
103.8=x+.05x+.15x
103.8=1.2x
103.8/1.2=x
x=86.5

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