Question 572781
 The Blue Mountain High School Drama Club is selling tickets to their spring musical. Adult tickets are $4 and student tickets are $1. A total of 285 tickets are sold for $765. How many of each type of ticket are sold?
 
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a  +  s  = 285 tickets
4a + 1s  = 765
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Multiply thru the 1st equation by 4:
4a  +  4s = 4*285
4a  +   s = 765
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Subtract and solve for "s":
3s = 375
s = 125 (# of student tickets sold)
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Solve for a:
a + s = 285
a = 160 (# of adult tickets sold)
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Cheers,
Stan H.
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A) 145 adult, 140 student
B) 120 adult, 165 student
C) 180 adult, 105 student
D) 160 adult, 125 student