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Q 1/10
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If y varies directly with x and y = 15 when x = 3, what is the value of y when x = 12?
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Q 2/10
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A car travels 240 miles in 4 hours at a constant speed. If the speed is directly proportional to the time, how many miles will the car travel in 6 hours?
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10 questions
Q.
If y varies directly with x and y = 15 when x = 3, what is the value of y when x = 12?
1
30 sec
8.5.E: Proportionality
Q.
A car travels 240 miles in 4 hours at a constant speed. If the speed is directly proportional to the time, how many miles will the car travel in 6 hours?
2
30 sec
8.5.E: Proportionality
Q.
The amount of flour needed to bake a cake is directly proportional to the number of people being served. If a cake for 8 people requires 2 cups of flour, how many cups of flour are needed for a cake serving 20 people?
3
30 sec
8.5.E: Proportionality
Q.
The cost of purchasing apples is directly proportional to the weight of the apples in pounds. If 5 pounds of apples cost $10, what is the cost of purchasing 12 pounds of apples?
4
30 sec
8.5.E: Proportionality
Q.
The circumference of a circle is directly proportional to its diameter. If a circle with a diameter of 10 inches has a circumference of 31.4 inches, what is the circumference of a circle with a diameter of 15 inches?
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30 sec
8.5.E: Proportionality
Q.
Water flow in a pipe is directly proportional to the cross-sectional area of the pipe. If a pipe with an area of 3 square inches allows 9 gallons of water to flow per minute, how much water will flow per minute through a pipe with an area of 5 square inches?
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30 sec
8.5.E: Proportionality
Q.
The number of pages a printer can print is directly proportional to the number of ink cartridges used. If 3 cartridges can print 900 pages, how many pages can be printed with 5 cartridges?
7
30 sec
8.5.E: Proportionality
Q.
The weight of a batch of cookies is directly proportional to the amount of flour used. If 4 cups of flour produce a batch weighing 2 pounds, how much would a batch weigh if 7 cups of flour are used?
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30 sec
8.5.E: Proportionality
Q.
The amount of money earned by a freelancer is directly proportional to the number of hours worked. If working 8 hours earns the freelancer $120, how much would they earn for working 15 hours?
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30 sec
8.5.E: Proportionality
Q.
The fuel consumption of a vehicle is directly proportional to the distance traveled. If a car consumes 5 gallons of fuel to travel 100 miles, how many gallons of fuel will it need to travel 250 miles?