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Rafa
Professor
BlakeEither:
60/75 = 0.8 minutes per question
or
75/60 = 1.25 questions per minute.
It's 48 seconds per item.
0.8 minutes = 48
48 sec * 75 = 3600 seconds
3600 seconds / 60 seconds = 60 minutes
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Is 3 liters per 60 seconds a unit rate?
In terms of minutes, it is.
What is 162 heartbeats to 60 seconds in unit rate?
162 per minute.
What is unit rate for 60 miles in 2 hours?
30 miles per hour.
What is the unit rate of 60 km in 3 hours?
20 km per hour.
How many minutes does it take a car traveling 60 mph to travel a distance of 400miles?
The basic formula for these kinds of questions is "Rate X Time = Distance". In this case you know the distance and the rate, so you want to solve for time (i.e. "How long") so the first step is to rewrite the equation so it's solving for time instead of distance. If you divide (the opposite of multiply since the left side of the equation is multiplying by Rate) both sides by R (i.e. Rate) the new version of the equation becomes T = Distance/Rate Now replace the variables you know (from the original story problem). T = 400/60 T = 6.6666 hours There are 60 minutes in an hour so... 6.6666 X 60 = 399.6 minutes
