Alg. I Proportions & Ratios
 1. Solve 3/7 = x/28A) 10B) 12C) 24D) 212. Solve 3/5 = 15/xA) -25B) 21C) 25D) 153. Solve x/18 = 12/72A) 6B) 3C) 4D) 54. 32/x = 4/17A) 137B) 136C) 135D) 1345. Find the unit rate for 282 passengers in 47 carsA) 7B) 6C) 8D) 0.166. Find the unit rate for 600 calories for 8 servingsA) 70B) 2.13C) 0.13D) 757. You peel 3 potatoes in 5 minutes. At this rate, how long will it take you to peel 10 potatoes?A) 6 minuteB) 15 minutesC) 16.6 minutes8. A bush is 30in tall and casts a shadow 8 in long. A nearby tree casts a shadow of 48 inches. How tall is the tree?A) 12.8 inchesB) 20 inchesC) 200 inchesD) 180 inches9. The scale on a map is 1in : 333mi. the map distance from Chicago to Tokyo is 12 inches. Find the actual distance between the cities.A) 3,996 milesB) 27.75 milesC) 26 milesD) 2,843 miles10. Write the ratio 33 to 8 in two other waysA) 33/8 & 8/33B) 8/33 & 8:33C) 33:8 & 8:33D) 33/8 & 33:811. Write the ratio 14/18 in simplest form.A) 4/8B) 9/7C) 1/2D) 7/912. Solve x/1 = 24/2A) 1/12B) 1/2C) 12D) 213. Find the unit rate: run 2.3 km in 7 minA) 3km/minB) 2km/minC) 1.33km/minD) 0.33km/min14. Find the unit rate: earn \$36.00 in 4 hoursA) \$12.00/hB) \$2.00/hC) \$6.00/hD) \$9.00/h15. The ratio of teachers to students in a middle school is 2 to 25. There are 350 students in the school. Find the number of teachers.A) 27B) 26C) 25D) 2816. Write the ratio 8/2 in simplest form.A) 4/1B) 4C) 1/1D) 1/417. In August, your electric bill was \$25.32 for 450 kw. At this rate, what would be a bill for 240 kw?A) \$14.50B) \$23.21C) \$13.50D) \$40.31
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