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1 Name SU( Date Cb.4 Review Period 1. Find the unit rate for number of parts manufactured per hour if 1630 parts are made in 6 hours. Round to the nearest integer. ft 2. A 16-oz bottle of water costs $1.44. What is the cost per ounce? Solve the proportion. x h 4 5L z 6 w w A van travels 220 miles on 10 gallons of gas. Write and solve a proportion to find how many gallons the van needs to travel 550 miles. 8. A package delivery company has determined that they can meet their schedules if they have 4 drivers for every 30 square miles of area they cover. If they want to offer service to a county of 75 square miles, how many drivers must they have? - oo - 9. School guidelines require that there must be at least 2 chaperones for every 25 students going on a school trip. I-low many chaperones must there be for 80 students? The pair of figures is similar. Find x. 10. Il. Round _;; -f L1 to the nearest tenth if necessary. lift 7z7 cm/ 8 II l)rawing not to scale 311 I)ra%ing not to scale 18cm

2 12. A tree casts a shadow 10 ft long. A boy standing next to the tree casts a shadow 2.5 ft. long. The triangle shown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. If the boy is 5 ft. tall, how tall is the tree? _b 2.5ft loft Drawing not to scale 13. A map has a scale of 1 cm : 20 km. Two cities are 2.5 cm apart on the map. To the nearest tenth of a kilometer, what is the actual distance corresponding to the map distance? ço 14. Use the scale and map measurements to find the actual distance from New Wilmington to Sharon through j Mercer. What is the actual distance if you travel from New Wilmington to Sharon through Volant? I in in. Sharon t - New Wilmington 1.75 in in. Scale I in.:12 ml Volant

3 .oive eacu peiceul piouu. 15. Whatpercentof20js 18? _2 : oc?o :o OO w % of 60 is what number? ) 16. What percent of 105 is 70? 18. \OO i> :4) Hcz(IL,I Whatis6,fTT7? \DO % of what number is 42? * 20. A golf club plans a trip to Hawaii, and 74 members are going. If this is 50% of the club s members, how many members are in the club? - i I.1 I :_ir iicj 21. Susan earns a 5% commission on her computer sales. If she earned a $81.04 commission on a sale of a new system, what was the price of the system? 22. Find the percent of change in altitude if a weather balloon moves from 100 ft to 103 ft. Describe the percent of change as an increase or decrease. Round to the nearest tenth if necessary. \o/ ( (CL 23. During the month of February, Fabulous Feet Shoe Mart sold 50 pairs of red loafers. After an ad campaign to boost sales, they sold 60 pairs in March. Find the percent of increase in sales.

4 24. The circulation of a newsletter decreased from 5200 to Find the percent of decrease in circulation to the nearest percent. i 25. A I-in, length on the blueprint corresponds to an actual length of 3 ft., In. Living Room 4in. 2k I.5in. Bathroom 2in. a. What is the scale of the blueprint? $ b. What are the actual dimensions of the bathroom? c f c. What is the actual area of the bathroom? d. What is the actual area of the living room?

5 26. Annual Home Budget 15% je i,/ 18% / 10%.7 h 27% I Housing tivehides cj Grocery i] Utilities csavings IJ Misc. DFuel 24% icus Bob tracked his spending for the previous year. The given circle graph shows his spending divided up into 7 categories. If Bob makes $89,600 per year, use the graph to predict the amount of money that he will spend on miscellaneous costs this year. (show your work) Vacation Destinations ( a 22% arc Euroje U Pacthc Islands South America U Middle East 1 %k-swil rkflicr1(l 12% Mcjt Rtt:: A travel agent made the given circle graph. The graph divides up the destinations that clients chose for the previous year into 5 categories. The agency is expecting to service 300 clients this year. Using the circle graph, predict the number of those clients who will choose the Caribbean as their vacation destination. (show your work) h

6 28. 3% _ 1 ie i+r* 13% Majors 13% LI Liberal Arts I Fine Arts Sciences and Mathematics Education Business Pre-Professional 24% 14% we -Pr4estyo- A university employee made the given circle graph that shows the number of majors by department for the previous year. If the university is expecting 1,100 incoming freshman this year, use the graph to predict the number of freshman who will be majoring in either science or mathematics. (show your work) 29. Hours of T.V. Per Night % 22% Ncne 1 hr. Q2hrs. MoreThan2 hrs, 30% Five hundred students were asked how many hours of IV they watch per ntght. The results are displayed in the circle graph above. a. How many students watch at least 1 hour of tetevislon per night? b. What pcent of students watch 2 hours of television per night? c. What percent of students watch no more than 2 hours of television per night d. How many students watch no television?