To change a fraction into a percent, divide by 100.
Mr. Vlasic needs to buy 2 pens each for the 17 students in his class. If pens come in packs of 6 and each pack costs \( $2.35\), what is the minimum amount that Mr. Vlasic must spend?
Manuel joined the Stay Fit Gym for a special rate of \(\$19.95\)per month. He also had to pay the yearly registration fee of \(\$30.65\). What is the total payment that Manuel made to the gym for the first year?
Ellie wants to give her granddaughter a present of \( \$500\) saved in a bank account. If Ellie puts \( \$350\) in the account which earns an 8% annual interest rate, how long must she wait before the account is worth \( \$500\)?