Percent review

Katie hit 40% of her three-point shots in basketball

this year. Which of the following is the fraction of the

three-point shots that Katie made?

• 40

Answer explanation

Any percent can be placed over 100. Then reduce using your ac button on the calculator:)

At Barone’s Beautiful Digital Warehouse, they buy Beats for $80 and sell them for 80% more than the $80 price.  What would a customer be charged if you include a 8% sales tax?

• $64

• $144

• $11.52

• $155.52

Answer explanation

FIRST find how much the mark up is, add it on. Then find the tax!

When you find the percent error, first SUBTRACT, then put this number over the __.

Mike's Bikes sold 600 bicycles last year.  This year they sold 850 bicycles.  What is the percent increase in the number of bicycles sold from last year to this year? Round to the nearest percent

• 250 %

• 600 %

• 29 %

• 42 %

Answer explanation

First subtract, then solve over the ORIGINAL amount

Roger found that about 60% of his 15 colored pencils are broken.  However, 40% of his 20 pens are out of ink.  Are more of Roger’s pencils or pens broken? 

• pencils

• pens

• answer unclear

• can't he sharpen the pencils?

Which is cheaper?

Using a 20% off coupon, and then using another 20% off. Or using a 40% off coupon all at once on a $100 item?

• 20% and then another 20%

• 40% all at once

• exactly the same discount

• neither discount

Suppose you deposit $1,000 into your savings account which earns a 10% rate.

How much interest will you earn after 15 MONTHS?   

 

 

• $150

• $1,500

• $125

• $12,500

Answer explanation

Make sure to change 15 months into years!

How much is the tax on a bill where you purchase one bowl of ice cream for $5.75, two ice cream cones for $3.50 each and 4 milkshakes that are $5.50 each? The tax rate is 8%.

• $37.53

• $2.78

• $1.18

• $15.93

Answer explanation

Make sure to add up how many for each!

How much is the tip on a bill where you purchase one bowl of ice cream for $5.75, two ice cream cones for $3.50 each and 4 milkshakes that are $5.50 each? The tax rate is 8%. You will leave a 20% tip.

• $7.51

• $7.50

• $45.04

• $45.03

Write 3% as a decimal.

• 3.0

• 0.3

• 0.03

• 0.003