SOLUTION: Dinner (plus tax and tip) costs $93-60. The tax rate is 5% and Mr. Simmons left a 15% tip. Both tax and tip are calculated on the base amount of the check, what was the base amount

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Question 1104168: Dinner (plus tax and tip) costs $93-60. The tax rate is 5% and Mr. Simmons left a 15% tip. Both tax and tip are calculated on the base amount of the check, what was the base amount of Mr. Simmon's bill?
Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
Why did dinner cost $93-60? Did you mean $93.60 ?

d, cost of the dinner without tip and tax
d%2B0.05d%2B0.15d=93.60
1.2d=93.6
d=93.6%2F1.2
d=78