SOLUTION: Please help me to sove this aquation.I am in 8th grade and my teacher never expleined the class of how to do this befoe giving the homework; A dinner cost D dollar and gave 20% tip

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Question 356871: Please help me to sove this aquation.I am in 8th grade and my teacher never expleined the class of how to do this befoe giving the homework; A dinner cost D dollar and gave 20% tip.
What is the amount of the tip?
What is the total amount of the meal?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

A dinner costing D dollars

A 20% tip would cost .20*D

The total amount spent for eating out would then be:

D + tip = D + .20D

D + .20D  may be written as (1 +.20)D