SOLUTION: 1.DINNER:22.79 TAX7% TIP20% 2.DINNER:23.84 TAX6% TIP15% WHICH DINNER COSTS MORE

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: 1.DINNER:22.79 TAX7% TIP20% 2.DINNER:23.84 TAX6% TIP15% WHICH DINNER COSTS MORE       Log On


   



Question 270383: 1.DINNER:22.79
TAX7%
TIP20%
2.DINNER:23.84
TAX6%
TIP15%
WHICH DINNER COSTS MORE

Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
1.DINNER:22.79
TAX7%
TIP20%
2.DINNER:23.84
TAX6%
TIP15%
WHICH DINNER COSTS MORE
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i love these cause i use this stuff everyday its worth remembering how to do this mathematics.
must have calculator on hand or long hand with decimals will take a while
find tax at 7% of 22.79
.07(22.79)=1.5953 take this number add it to 22.79 to get 24.3853
find tip 20% of 22.79
.20(22.79)=4.558 take this number add it to 24.3853 to get 28.9433
28.94 is total for first dinner
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find tax at 6% of 23.84
.06(23.84)= 1.4304 take this number add it to 23.84 to get 25.2704
find tip 15% of 23.84
.15(23.84)= 3.576 take this number add it to 25.2704 to get 28.8464
28.85 =total for second dinner
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you can now tell which one costs more