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Patty ordered a pizza to be delivered. The bill was 12.00. Patty pays 15 and tells the delivery person to keep the change as a tip. What percent tip did she give?

tertre  Apr 16, 2018
 #1
avatar+3423 
+2

Nevermind, it's 25%, 100/12*15=125-100=25%

tertre  Apr 16, 2018
 #2
avatar+970 
+2

The amount of dollars Patty paid extra is 15 - 12 = 3.

 

So 3 dollars is the tip Patty paid. 

 

Now we need to what percentage of 12 is 3.

 

3/12 = 0.25 

 

So the answer you are looking for is 25 percent.

GYanggg  Apr 16, 2018

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