mollyjarvis30
mollyjarvis30 mollyjarvis30
  • 04-04-2018
  • Mathematics
contestada

karen made 40 cakes
she gives 1/5 to Andrew
she gives 10% to Chris
what fraction of the 40 cakes does she have left ?

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carlosego
carlosego carlosego
  • 13-04-2018
1. You have that Karen made 40 cakes and she gives 1/5 to Andrew and 10% to Chris, then you have:

 40 cakes=5/5=1
 1/5 to Andrew⇒40x1/5=8
 10% to Chris=40x0.10=4

 1/5----8 
    x----4 

 x=4(1/5)/8
 x=1/10

 2. The fraction of the 40 cakes that she have left is:

 1-1/5-1/10

 Therefore, the answer is: 7/10
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