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You order three sandwiches and a drink. The drink costs $1.75. You pay 8% sales tax and leave a $5 tip. You pay a total of $20.66. How much does one sandwich cost?

Respuesta :

ogorwyne

The cost of one sandwich is $4.25

Given data

number of sandwiches = 3

number of drinks = 1

cost of drink = $1.75

tip = $5

total pay = $20.66

sales tax = 8% = 0.08

solutions

let the cost of sandwich be x, so that:

1.75 + 0.08*1.75 + 5 + 3x + 3*(0.08 * x) = 20.66

6.89 + 0.24x + 3x =20.66

3.24x = 13.77

x = 4.25

cost of one sandwich is $4.25

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