Asked by lucy
the cinema sold 600 tickets total. adults tickets were $15 and childrens tickets were $8. they made a total of $7740. how much of each ticket were sold?
Answers
Answered by
Bosnian
a = number of adults
c = number of childrens
number of adults + number of childrens = 600 total
a + c = 600
a * 15 $ + c * 8 $ = 7740 $
15 a + 8 c = 7740
Now you must solve system of two equations:
a + c = 600
15 a + 8 c = 7740
The solutions are :
a = 420
c = 180
420 adults
and
180 childrens
Proof :
420 * 15 $ + 180 * 8 $ =
6300 $ + 1440 $ = 7440 $
c = number of childrens
number of adults + number of childrens = 600 total
a + c = 600
a * 15 $ + c * 8 $ = 7740 $
15 a + 8 c = 7740
Now you must solve system of two equations:
a + c = 600
15 a + 8 c = 7740
The solutions are :
a = 420
c = 180
420 adults
and
180 childrens
Proof :
420 * 15 $ + 180 * 8 $ =
6300 $ + 1440 $ = 7440 $
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