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20.  Mary has 40% fewer marbles than Jolie. If they combine all their marbles in a single bag, what percent of the marbles in the bag are Jolie's?

 Mar 12, 2021
 #1
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Answer: 62.5

 Mar 12, 2021
 #2
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20.  Mary has 40% fewer marbles than Jolie. If they combine all their marbles in a single bag, what percent of the marbles in the bag are Jolie's?     

 

Say Jolie has 100 marbles.  That means Mary has 60 marbles.  

 

The total in the bag is 160 marbles, and 60 of them are Mary's. 

 

60/160 = 0.375  so  37.5% are Mary's  

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 Mar 12, 2021
 #3
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oops, I solved for Mary's.  Jolie's would be 100.0% – 37.5%  =  62.5%  

.

Guest Mar 12, 2021

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