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maw [93]
3 years ago
13

A group of 25 students want to see a drake concert. Tickets for members of drakes fan club cost $20 and tickets for no members c

ost $25. The total cost Is $550
Mathematics
1 answer:
katen-ka-za [31]3 years ago
8 0
Not drake!


m=number of members
n=number of nonmembers
n+m=25

cost=550=20m+25n
simplify by dividing by 5
110=4m+5n

so we have
n+m=25 and
5n+4m=110
multiply first eequation by -4 and add to second equation

-4n-4m=-100
<u>5n+4m=110+</u>
n+0m=10


n=10
subsitute
n+m=25
10+m=25
m=15


15 members
10 non-members

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