contestada

The movie theater took in $1,174 one Monday night. The number of $7 child tickets was ten more than twice the number of $9 adult tickets. How many of each were sold?
child tickets :
adult tickets :

Respuesta :

Answer:

Adult tickets:48

Child tickets:106

Step-by-step explanation:

7(2a + 10) + 9A = 1174                  A = Adult tickets

14a + 70 + 9a = 1174                     C = Child tickets

23a + 70 = 1174

23a + 70 - 70 = 1174 - 70

23a/23 = 1104/23

A = 48

C = 48(2) + 10

C = 96 + 10 = 106

Otras preguntas