The Andersons went to dinner at the Olive Garden. If their dinner cost $42.95 and they left a 15% tip for their server, how much did they pay altogether?

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Answer 1 · 2016-12-08T03:04:26

Altogether they paid $49.39

First we need to determine the amount of the tip the Anderson's left. For this we need to determine what is 15% of $42.95.

"Percent" or "%" means "out of 100" or "per 100", Therefore 15% can be written as #15/100#.

When dealing with percents the word "of" means "times" or "to multiply".

Finally, lets call the number we are looking for "t" for tip.

Putting this altogether we can write this equation and solve for #t# while keeping the equation balanced:

#t = 15/100 xx $42.95#

#t = ($644.25)/100#

#t = $6.44#

We can now take the dinner cost and add it to the tip amount

#$42.95 + $6.44 = $49.39#