Rate
The price of a 2,200 square foot house is $277,200.
a) Find the price rate of the house in $/sq. ft.
b) Find the price of a 1,300 square foot house as the same rate.
a) $126 per square foot
b) $163,800
Richard works 5 days a week and 8 hours a day. His daily wage is $196.
a) Find his hourly rate
b) Find his weekly rate.
a) $24.50
b) $980.00
Describe the difference between uniform speed and average speed.
Uniform speed is unchanged (constant speed)
Average speed is the total distance traveled over a given period of time. (accounts for changing speeds)
Convert 1,116 inches to feet.
93 feet
A car traveled 143 miles on 6.5 gallons of gas. The price of the gasoline consumed was $18.20.
a) Find his hourly rate of gasoline in mi/gal.
b) What was the price of gasoline per gallon?
a) 22 miles per gallon
b) $2.80 per gallon
A workshop produces 360 chairs in 5 days. The rate of production per day is ________.
72 chairs
How much time does it take for a bird flying at a speed of 45 kilometers per hour to travel a distance of 1,800 kilometers?
40 hours
Convert 24 km/hr to m/s
*Round to the nearest whole number
6.666667 m/s rounds to 7 m/s
A pipe delivers 9 liters of water in 20 seconds.
a) Find the amount of water it delivers per minute.
b) Find the amount of water it delivers per hour.
a) 27 liters per minute
b) 1,620 liters per hour
Find the rate in each case.
a) Arjun typed 280 words in 5 minutes
b) A car traveled 1,066 miles on 52 gallons of gas.
a) 56 words per minute
b) 20.5 miles per gallon
A car takes 4 hours to cover a distance, if it travels at a speed of 40 mph. What should be its speed to cover the same distance in 1.5 hours?
*Round to the nearest whole number
107 mph
Convert 2 m/s to km/hr
7.2 km/hr
A 500-gram pack of fertilizer that costs $13 can be applied to 20 square meters of lawn. What is the cost of fertilizer per kilogram?
$26.00
A pure gold cube of side 3 centimeters weighs 521.1 grams. Find the mass of pure gold per cubic centimeter.
19.3 g/cm3
Julie’s SUV was detected exceeding the posted speed limit of 60 kilometers per hour. How many kilometers per hour would she have been traveling over the limit if she had covered a distance of 10 kilometers in 5 minutes?
60 km/hr over the speed limit
Convert 22 miles per hour to m/s
Take 1 mile = 1.61 km
or 1 km = .62 mi
*Round to the nearest whole number
10 m/s