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You are ordering a meal and have $15 to spend on. The restaurant charges 6% sales tax and you plan to leave a 15% tip. The equation c= x+0.06x+0.15x gives the total cost c of your meal, where x is the cost before tax and tip. What is the maximum amount you can spend before tax and tip?

Respuesta :

texaschic101
15 < = x + 0.06x + 0.15x
15 = 1.21x
15/1.21 = x
12.40 = x

check..
15 < = 12.40 + 0.06(12.40) + 0.15(12.40)
15 < = 12.40 + 0.74 + 1.86
15 < = 15 (correct)

the most u can spend before taxes and tips is $ 12.40

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