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Sagot :
Answer:
Let c be the common factor between Jill and Kelly’s money. Then:
4n-156 / 5n-156=8/11
So:
44n-1716=40n-1248
4n=468
n=117
Jill had 4n, or $468 to begin with
Kelly had 5n, or $585 to begin with ………..
Answer:
Step-by-step explanation:
x=Jill's money
y=Kelly's money
x/y=4/5
(x-156)/(y-156)=8/11
x/y=4/5 -------->5x=4y --------->y=5x/4
cross multiply with the above proportion
11(x-156)=8(y-156)
11x-1716=8y-1248
substitute y=5x/4
11x-1716=8(5x/4)-1248
11x-1716=10x-1248
11x-10x=1716-1248
x=$468 for Jill (answer)
x/y=4/5
468/y=4/5
multiply 4 by 117 to get 468
multiply 5 by 117 to get 585
y=$585 for Kelly (answer) (or cross multiply to find y)
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