Rates, Proportions, and More
Quiz by Candice Cohen Hardee
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13 questions
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- Q130s
- Q2Express each rate as a unit rate. Round to the nearest tenth or nearest cent, if necessary. $4.60 for 5 cans of soup$0.92 per can$23 per can$0.91 per can$1.09 per can60s
- Q3Express each rate as a unit rate. Round to the nearest tenth or nearest cent, if necessary. 116 meters in 12 seconds9.7 meters per second96.7 meters per second13.9 meters per second10.3 meters per second60s
- Q4Simplify 3/4 divided by 810 2/363/321/660s
- Q5Simplify 5/6 divided by 33 3/55/25/182 1/260s
- Q6Convert each rate using dimensional analysis. Round to the nearest hundredth. 18 m/min = cm/s *Hint 100 cm =1 meter 60 sec= 1 min*3301800.3120s
- Q7Convert each rate using dimensional analysis. Round to the nearest hundredth. 264 yd/s = ___ mi/h *Hint 1 miles= 5,280 ft 60 sec = 1 min 60 min = 1 hr*54400.150.0715,840120s
- Q8Find the selling price for each item given the cost and the percent of the markup or discount. MP3 player: $150; 22% markup$172$111$183$33120s
- Q9Find the selling price for each item given the cost and the percent of the markup or discount. bracelet: $80, 5% discount$85$84$76$4120s
- Q10Find the total amount in each account to the nearest cent if the interest is compounded annually. $2400 at 5.3% for 3 years$3036$2802.18$707.09$636120s
- Q11Find the simple interest t the nearest cent. $1900 at 5.5% for 36 months$31,350$313.50$313.50$376.20120s
- Q12Find the percent of change. Round to the nearest tenth, if necessary. Then state whether the percent of change is an increase or decrease. from 75 minutes to 100 minutes33.3 % , increase25% increase133.3% increase75% increase120s
- Q13Find the percent of change. Round to the nearest tenth, if necessary. Then state whether the percent of change is an increase or decrease. from 45 quarts to 8 quarts-562.5%, decrease-462.5%, decrease-82.2%, decrease-17.8%, decrease120s