Tickets to a concert cost $2 for children and $5 for adults. If 630 people attended the concert and the ticket sales totaled $2,

Question

gtnhenbr [62]

2 years ago

5

Tickets to a concert cost $2 for children and $5 for adults. If 630 people attended the concert and the ticket sales totaled $2,

910, how many children attended the concert?

Mathematics

1 answer:

Amanda [17] · Answer 1 · 2022-08-04T20:03:20+03:00

Amanda [17]2 years ago

8 0

C+a=630

a=630-c

2c+5a=2910 using a found above in this we have:

2c+5(630-c)=2910

2c+3150-5c=2910

-3c+3150=2910

-3c=-240

c=80

So 80 children attended the concert.