Simple Interest Warm Up

Principal = $350. Interest rate = 2.5% Time = 3 years. How much interest?

• $7.50

• $26.25

• $87.5

• $262.50

Principal = $500
Interest rate =5%
Time = 5 years
What is the interest earned?

• 95
• 105
• 125
• 135

Dan borrowed $2,000 for 6 months at 12% annual simple interest rate. How much interest is that?

• $120
• $144
• $1,200
• $1,440

Jenna borrowed $5,000 for 3 years and had to pay $1,350 simple interest at the end of that time. What rate of interest did she pay?

• 6%
• 6%
• 8%
• 9%

Anna invested $2,500 at an annual rate of 5%.  How long will it take until Anna earns $1,125 in interest?

• 5 years
• 8 years
• 10 years
• 9 years