On a certain hot summer's day, 415 people used the public swimming pool. The daily prices are $1.50 for children and $2.25 for adults. The receipts for admission totaled
$694.50. How many children and how many adults swam at the public pool that day?

Step-by-step explanation:

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.