Ratio Rates & Percentage
Sales Tax
Scale Drawings
Simple Interest
Similarities
100

1. A. How do you change a decimal to a percent 

B. how do you change a percent into a decimal 

A. Move the decimal to the right twice 

B Move the decimal to the left twice 

100

2. The shirt that you bought was $20. The sales tax was 15%, what was the final price

$23

100

3. Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

7 in. 

100

4. What is the formula for Simple Interest?

I=PRT

100

5. Solve the missing side?

X=2

200

6. If a machine that prints designs on T-shirts prints 500 shirts in 3 hours, how many hours will it take to print designs on 1,800 shirts?

10.8 Hours 

200

7. The TV you bought was $900 and the sales tax was 27.5%, 

How would you set this up to find the sales tax (only the equation) 

900 X .275 

200

8. Fort Worth and Houston are 240 miles apart. The scale of a map of Texas is 1 inch = 50 miles. How many inches apart are Fort Worth and Houston on the map?

4.8 Inches 

200

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

$12 

200

10. Which of the following completes this proportion?

 HJ/PQ = HL/??


PS

300

11. Jenny can type 125 words in 5 minutes, and her friend Amy can type 100 words in the same time. How many words per minute faster than Amy can Jenny type? (Answer must be a sentence)

Jenny can write 5 more words faster than Amy

300

12. Yannick bought a bicycle. He paid $194.25, including tax. If the sales tax rate is 5%, how much did Yannick pay for tax?

$9.71

300

13. Lauren wants to build a model airplane using a scale where 2 inches represents 15 feet. If the airplane is 75 feet long, how many inches long should the model be?

10 inches 

300

14. Oscar lends his brother $125.00 and charges him 5% interest. How many dollars will Oscar's brother pay back for the loan? (TOTAL)

$131.25

300

15. Solve the missing side 

X=63

400

16. Courtney got 56 out of 75 correct on a test. What is the best estimate of the percent Courtney got correct? (Round to the nearest percent)


75% 

400

17. Ralph buys a computer for $675. The sales tax rate is 6%. How much did Ralph pay for the computer?

$715.5

400

18. On a map of Texas, Dallas is 5 inches away from Austin. One inch on the map represents 40 miles. What is the actual distance between Dallas and Austin, in miles?

200 Miles 

400

19.Evan gets a loan of $3,000 for a car. The interest on the loan is 7.5% annually. If he pays the loan off in one year, how many dollars in interest will he pay?

$225

400

20. Which of the following completes this proportion? 

MN/RS = LN/??

QS

500

21. Courtney can run a 1/4 mile in 2 minutes. At this rate, how many minutes will it take Courtney to run 1.25 miles?

10 Minutes 

500

22. Mr. Lucas bought a new lounge chair for his game room. The one he chose was $425. He had to pay a sales tax of 8.2%. What was the amount of sales tax he paid on the chair?

Sales Tax is $34.85

500

23. On a map of the United States, Chelsea measured a line from Seattle, Washington to San Francisco, California as 13 centimeters. If the scale of the map is 2 centimeters = 100 miles, how far is it from Seattle to San Francisco in miles?

650 Miles 

500

24. Rashawn puts $550 in an account earning 8% simple interest annually. How much will he have in his account after 6 years? (TOTAL)

$814

500

25. The triangles DEF and PQR are similar. Which of these statements must be true?

A. ∠D is congruent to ∠R.

B. EF is congruent to PQ.

C. DF is congruent to PR.

D.  ∠E is congruent to ∠P.


 

A.

∠D is congruent to ∠R