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Diana ate pizza for dinner and had 19 of the pizza left over. On Friday night, she ate 57 of what was left. How much pizza did Diana eat on Friday

 Feb 18, 2021
 #1
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I'm assuming you made a typo and the numbers are supposed to be fractions.

 

The first sentence says she has 1/19 of the pizza left. Then she ate 1/57 of that. 

This means she ate 1/19 * 1/57 of the entire pizza, giving you the answer of 1/1083 of the pizza :)

 Feb 18, 2021
 #2
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Diana ate pizza for dinner and had 19 of the pizza left over. On Friday night, she ate 57 of what was left. How much pizza did Diana eat on Friday    

 

I'm going to go the other way, and assume you meant percents, i.e., 19% and 57%.  

 

Friday night, Diana ate 57% of the 19% that was left over.  0.57 • 0.19 = 0.1083  

 

The amount of pizza she ate Friday was 10.83% of the whole pizza she started with. 

.

 Feb 18, 2021

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