Which of the following expressions is equal to \(3^{8} \text { when } \mathrm{p}=3^{5}?\)
Explanation
\(3^{8}=3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3, \text { or } 3^{5} \times 3^{3}=p \times 3^{3}=27 p\)
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?