suppose a movie theater sold 200 adult tickets for a showing with a revenue of $980. if the adult tickers were $6.50 and the stu

Question

MrRissso [65]

4 years ago

11

suppose a movie theater sold 200 adult tickets for a showing with a revenue of $980. if the adult tickers were $6.50 and the stu

dent tickets were $4.50, how many of each ticket were sold?

Mathematics

1 answer:

Bas_tet [7] · Answer 1 · 2021-11-28T08:31:43+03:00

Bas_tet [7]4 years ago

5 0

A- number of adult tickets
s- number of student tickets
a +s=200 }* - 4,5 ⇒
a*6,5+s*4,5=980

a*6,5 + s*4,5=980
a*( -4,5) - s*4,5= - 200*4,5= -900
-----------------------------------------------
6,5a-4,5a=980-900=80
2a=80
a=80:2
a=40

s=200-40
s=160