Swimming Pool On a certain hot summer's day, 583 people used the public swimming pool. The daily prices are $1.50 for
children and $2.25 for adults. The receipts for admission totaled
$1132.50. How many children and how many adults swam at the
public pool that day?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters