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At Raging River Sports, polyester-fill sleeping bags sell for $79. Down-fill sleeping bags sell for $149. in one week the store sold 14 sleeping bags for $1456. How many of each…
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At Raging River Sports, polyester-fill sleeping bags sell for $79. Down-fill sleeping bags sell for $149. in one week the store sold 14 sleeping bags for $1456. How many of each…
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Dec 28, 2017
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At Raging River Sports, polyester-fill sleeping bags sell for $79. Down-fill sleeping bags sell for $149. in one week the store sold 14 sleeping bags for $1456. How many of each type of bag were sold
Mathematics
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A.
x+y=14
79x+149y=1456
B.
-79(x+y=14)
79x+149y=1456
-79x-79y=-1106
79x+149y=1456
70y=350
y=350/70
y=5
79x+149(5)=1456
79x+745=1456
79x=1456-745
79x=711
x=711/79
x=9
C.
x=-y+14
79(-y+14)+149y=1456
-79y+1106+149y=1456
-79y+149y=1456-1106
70y=350
y=350/70
y=5
x=-y+14
x=-5+14
x=9
D.
9 polyester-fill
5 down-fill
Abhishek Bhatia
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Jan 2, 2018
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Abhishek Bhatia
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