Mega Movies hosted a film premiere on Friday night. They charged $8 for adults and $5 for children. Ninety-two adults and children attended, and $688 was made in ticket sales. How many children and how many adults went to the film premiere?
A.
16 children; 76 adults
B.
13 children; 79 adults
C.
10 children; 82 adults

Respuesta :

Answer:

Step-by-step explanation:

a + c = 92.....c = 92 - a

8a + 5c = 688

8a + 5(92 - a) = 688

8a + 460 - 5a = 688

3a = 688 - 460

3a = 228

a= 228/3

a = 76 <==== adults

a + c = 92

76 + c = 92

c = 92 - 76

c = 16 <=== children