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Brilliant_brown [7]
3 years ago
8

491 people used the pool. It costs $1.25 for kids and $2.25 for adults. The total cost was $757.75. How many kids and how many a

dults used the pool?
Mathematics
2 answers:
Nana76 [90]3 years ago
8 0

Answer:

  • 347 kids
  • 144 adults

Step-by-step explanation:

Let x represent the number of adults using the pool. Then 491 -x is the number of kids using the pool, and the total revenue is ...

  2.25x +1.25(491 -x) = 757.75

  x +613.75 = 757.75 . . . . . . . . . eliminate parentheses, collect terms

  x = 144 . . . . . . . . . . . . . . . . . . . . subtract 613.75; number of adults

  491-x = 347 . . . . . number of kids

347 kids and 144 adults used the pool.

IgorC [24]3 years ago
5 0

Answer:

144 adult and 347 kids

Step-by-step explanation:

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