SOLUTION: 500 people were at cinema house. some of them paid 15cents. and the rest paid 20cents. of the total cash collected was $91, find the number of the 15 cents
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Question 1124508: 500 people were at cinema house. some of them paid 15cents. and the rest paid 20cents. of the total cash collected was $91, find the number of the 15 cents Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = 15 cent payers
Let = 20 cent payers
—————————-
(1)
(2)
————————————-
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
———————————————
And
(1)
(1)
————————————
There were 180 15 cent payers
