Form 13: Work Rates and Time Analysis
Analyze work rates and time needed to complete tasks using proportional relationships. Practice calculating rates of work for different scenarios.
Questions
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MultiChoice
A printer prints 20 pages per minute. Is total pages printed proportional to minutes?
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MultiChoice
Worker A packs 50 boxes in 2 hours. Worker B packs 75 boxes in 3 hours. Are their rates equal?
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MultiChoice
A factory machine makes 100 toys in 1 hour, 200 in 2 hours, 350 in 3 hours. Proportional?
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MultiChoice
Water pumps at 12 gallons/min. How long to pump 144 gallons if proportional?
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MultiChoice
A lawn mower cuts 0.5 acres per hour. Is area cut proportional to hours worked?
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MultiChoice
Reading speed: 30 pages in 40 minutes vs 45 pages in 60 minutes. Is rate proportional?
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MultiChoice
If 4 workers build a fence in 6 hours, is time proportional to number of workers?
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MultiChoice
Typing speed: 200 words in 4 minutes. What is the constant of proportionality (words/min)?
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MultiChoice
A car assembly line builds 8 cars every 2 hours. Is this proportional?
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MultiChoice
Filling a pool: 100 gallons at 10 min, 200 gallons at 20 min, 300 gallons at 30 min. Proportional?
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MultiChoice
A chef peels 6 potatoes in 3 minutes. How many potatoes in 15 minutes at same rate?
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MultiChoice
If total work W = 15t, what does 15 represent?