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Tickets to a carnival are $5 for adults and $3 for children. If 215 people attended and $925 was collected, how many tickets were purchased for children?

 Jun 14, 2018
edited by Guest  Jun 14, 2018
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Let the number of children = C, then:

The number of adults =215 - C

 

3C + 5[215 - C] = 925

3C + 1,075 - 5C = 925

-2C =925 - 1075

-2C = -150

C = -150 / -2

C =75 - Number of children, or number of tickets purchased by children.

215 - 75 = 140 adults, or adult tickets purchased.

 Jun 14, 2018

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