Explanation

To calculate how many bars the child sold, subtract the number he has left (13) from the number he had originally (65): 65 – 13 = 52

Each year, a cyber café charges its customers a base rate of \(\$25\), with an additional \(\$0.30\) per visit for the first 50 visits, and \(\$0.10\) for every visit after that. How much does the cyber café charge a customer for a year in which 72 visits are made?

A man goes to the grocery store. He buys a carton of milk for \(\$4.50\), a dozen eggs for \(\$2.25\), and a pound of ground beef for \(\$1.99\). If the tax is \(15\%\) what will his total bill be?

A man goes to a casino with \(\$125\). He loses \(\$30\) on blackjack, then loses another \( \$40\)on roulette. How much money does he have left?

Marlo pays \(\$750\) rent each month. Bea’s rent is \(12\% \)higher. What is the ratio of Marlo’s rent to Bea’s rent?

Which of the following expressions is equal to \(3^{8} \text { when } \mathrm{p}=3^{5}?\)