Name:______Period:______
2nd 6 Week CCA Review
1. The graph shows the number of words in Taylor’s essay and the number of minutes she spent writing the essay. What is the rate of change in words per minute?
2. It took 7.5 hours for Amy to ride her bike 150 miles. What was Amy’s average speed in miles per hour?
3. A rain gauge had .8 centimeter of rain after 4 hours, .10 centimeter after 5 hours, 1.2 after 6 hours, and 1.4 centers after 7 hours. At what rate did it rain?
4. Find the value of x in the pair of similar figures.
5. Determine the constant rate of change for the following graph.
6. Determine the constant rate of change for the following table.
7. Aaron made a bag of trail mix of peanuts, raisins, and chocolate chips in the ratio of peanuts:raisins:chocolate chips = 5:3:2. There are 150 raisins in the trail mix. How many peanuts and chocolate chips are in the trail mix?
8. What is the total cost of $200.00 watch if the sales tax is 7.5%?
9. Amanda deposited $3,000 into a savings account that earns 4% simple interest. How much interest did she earn after 2 years?
10.The price of a television is $300.00. The television was on sale for 40% off. Derrick bought the television at the sale price and also had a coupon for $20 off. How much did Derrick pay for the television?
11. The length of David’s room is 20 feet. The ratio of length to width is 5:2. What is the width of David’s room?
12. What is the percent decrease, to the nearest percent, of the number of books checked out from June to July?
13. Samantha is following a blueprint to build an addition to her house. The kitchen countertop will be 8.75 feet long. The scale of the blueprint is 1 centimeter = 1.75 feet. What is the length of the countertop on the blueprint?
14. A welcome sign at a school is in front of a flagpole. How tall is the welcome sign?
15. Christina is building a diorama of the ocean. The table shows the lengths of different ocean animals. The scale of the diorama is 1 inch = 2 feet. How long is the actual shark, in feet?
16. The table shows the results of a survey for an election for class president. Based on the data, if there are 336 students voting, approximately how many more will vote for Allie than for Olivia?
17. Bessie has a bag of 300 marbles. She grabbed a handful of marbles from the bag. There were 1 red, 4 orange, 2 purple, and 3 green marbles in her hand. Based on the sample, how many red and orange marbles are in the bag?
18. What is the measure of ∠A, in degrees?
19. A diagram of a lot of land is shown. The scale on the diagram is 1 centimeter represents 2.5 yards. What is the area of the actual lot of land?
20. Jamie can type 800 words in 1 hour 20 minutes. What was Jamie’s rate of speed in words per minute?