On a certain hot summer's day, 667people used the public swimming pool. The daily prices are for 1.75 children and 2.25 for adults. The receipts for admission totaled 1312.25 How many children and how many adults swam at the public pool that day?

if x = 1, then the answer is 3.5

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2