Percent Proportion and Simple Interest

Ann puts $300 in a bank account earning 4% interest.  How much will she earn in interest in 1 year?

• 4

• 8

• 12

• 16

Principal = $800
Interest Rate = 3.5%
Time = 6 months
Find the interest earned.

• 14

• 140

• 168

• 16.80

You lend $240 to your friend.  He pays you back $270.  What interest rate did you charge your friend?

• 88%

• 20%

• 12.5%

• 10%

What does the "p" in the interest formula stand for?

• Principal

• Interest

• rate

• time

Find 72% of 58.

• 27.27

• 41.76

• 58.32

• 4176

What percent of 85 is 510?

17% of what number is 68?

After 3 years the simple interest earned annually on an investment of $5000 was $1200. Use the simple interest formula I = Prt to find the interest rate to the nearest tenth of a percent.

The cost of Javon’s school supplies was $49.80. He had a coupon for 30% off the entire purchase. What was the discount?

The ​ (a)   is the percent by which a quantity increases or decreases from the original amount.

• Percent of Change

• Tip

• Selling Price

• Simple Interest

• Proportion

• Principle

• Balance

• Discount

• Interest Rate

• Mark-Up