U2 Percent Review Part 1

Match the following Percent Formulas

• Divide by 100

• Finding Percent Error

• I=Prt

• % to Decimal

• Finding Percent Increase or Decrease

• Decimal to Percent

• Multiply by 100

• Simple Interest

What is 25% of 100?

• 0.25

• 2.5

• 25

• 2500

The price of a coat is marked down 35%. The original price was $127. What is the SALE price of the coat?

(a)  

Ben bought a digital camera for $100. The tax rate is 6%. What is the total amount Ben will pay for the camera (including tax)?

(a)  

A member of the sales team earns 30% commission on any sales. A sales person sold $1000 worth of merchandise. The salespersons commission on the sale was ​ ​ ​ ​ (a)   .

• $300.00
• $30.00
• $3.00
• $3000
• $3000.00

Answer explanation

30% = 0.30

0.30 x $1000.00 = $300.00

What is the percent decrease from 60 to 12? Round your answer to the nearest 10th. The decrease is represented by ​ (a)   . The original number is ​ (b)   . The percent decrease is ​ (c)   .

• 12-60
• 60
• 80.0%
• 60%
• 12
• 72
• 0.8
• 0.8%

Answer explanation

We do not include the negative in this answer because we already used the word "decrease". Showing a negative answer when saying the word "decrease" would be like using a double negative in our English. Sometimes it is okay to use double negatives like in this song. :)

Karen measures the width of a garden plot and records that it is 45 meters. Its actual width is 40 meters. What is the percent error in the measurement? Substitute the numbers and write the equation you would use below.

Answer explanation

Have a super rest of your day!!!