37 Answer: 
 Solve: 30% of what number is 54? _____
 38 Answer: 
 Solve: 50% of what number is 38? _____
 39 Answer: 
 Solve: 125% of what number is 65? _____
 40 Answer: 
 Solve: 37.5% of what number is 96? ____
 41 Answer: 
 Solve: 3.5% of what number is 7? _____
 42 Answer: 
 Find the percent of increase: From 16 to 24 _____
 43 Answer: 
 Find the percent of increase: From 24 to 32 _____
 44 Answer: 
 Find the percent of decrease: From 32 to 24 _____
 45 Answer: 
 Find the percent of increase: From 56 to 66 _____
 46 Answer: 
 Find the percent of decrease: From 80 to 48 _____
 47 Answer: 
 Use the formula I = prt to solve:
 Steve borrowed $450 for 3 years. The yearly interest rate was 13%. How
 much interest did he owe at the end of 3 years? _____
 48 Answer: 
 Use the formula I = prt to solve:
 Anne borrowed $600 for 1.5 years. The yearly interest rate was 12%. How
 much interest did she owe at the end of 1.5 years? _____
 49 Answer: 
 Use the formula I = prt to solve:
 Frank borrowed $2000 for 0.5 years. The yearly interest rate was 15%.
 How much interest did he owe at the end of 0.5 years?
 50 Answer: 
 Use the formula I = prt to solve:
 Judy borrowed $800 for 2 years. She paid $152 in interest. What was the
 interest rate per year? _____