On a certain hot summer's day, 529 people used the public swimming pool. The daily prices are $1.75 for children and $2.25 for adults. The receipts for admission totaled $1118.75. How many children and how many adults swam at the public pool that day?

Question

Mathematics

Milo

28 September, 09:05

On a certain hot summer's day, 529 people used the public swimming pool. The daily prices are $1.75 for children and $2.25 for adults. The receipts for admission totaled $1118.75. How many children and how many adults swam at the public pool that day?

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Kathryn Wilkinson · Answer 1

{a+c=529

{1.75c+2.25a=1118.75

{9a+9c=4761

-

{7c+9a=4475

2c=286

c=143

a=529-143=386

There are 143 children and 386 adults used the public swimming pool.