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Visitors to a carnival can buy an unlimited-ride pass for $50 or an entrance-only pass for $20. In one day, 282 passes were sold for a total of $10,680. How many unlimited-ride passes were sold? A. 114
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Dec 16, 2018
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Visitors to a carnival can buy an unlimited-ride pass for $50 or an entrance-only pass for $20. In one day, 282 passes were sold for a total of $10,680. How many unlimited-ride passes were sold?
A. 114
B. 146
C. 168
D. 212
Mathematics
high-school
Kevin Kreps
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Its C. 282-168=114
114x20=2,280
50x168=8,400
8,400+2,280=10,680
Emanuela
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Dec 17, 2018
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the answer is C. 168 unlimited-ride passes were sold
u+e=282
50u+20e=10,680
______________
-20u-20e=-5640 need to multiply first equation by -20 to eliminate 20
5u+20e=10,680
_____________
30u+0= 5040
30u=5040 now divide by 30
u=5040/30
u=168
Mattis Asp
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Dec 22, 2018
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Mattis Asp
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