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New Member
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Nov 12, 2010, 09:17 AM
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Word problems
If three times a number added to 4 is divided by the number plus 8, the result is eight thirds. Find the number
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New Member
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Nov 12, 2010, 09:20 AM
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Word problems
In 4 minutes, a conveyor belt moves 300 pounds of recyclable aluminum from the delivery truck to a storage area. A smaller belt moves the same quantity of cans the same distance in 5 minutes. If both belts are used, find how long it takes to move the cans to the storage area.
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New Member
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Nov 12, 2010, 09:23 AM
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Word Problem
A cyclist rode the first 28- mile portion of his workout at a constant speed. For the 22-mile cooldown portion of his workout, he reduced his speed by 3 miles per hour. Each portion of the workout took the same time. Find the cyclist's speed during the first portion and find his speed during the cooldown portion.
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New Member
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Nov 12, 2010, 09:27 AM
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Word Problem
Marcus and Tony work for the same company. Marcus lays a slab of concrete in 5 hours. Tony lays the same size slab in 7 hours. If both work on the job and the cost of labor is $84.00 per hour, decide what the labor estimate should be?
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New Member
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Nov 12, 2010, 09:29 AM
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Math word problem
Five divided by the difference of a number and 3 minus 4 divided by a number plus3, equals 6 times the reciprocal of the difference of the number squared and 9. What is the number?
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New Member
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Nov 12, 2010, 09:31 AM
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Math word problem
A paddle boat can move at a speed of 6 km/h in still water. The boat is paddled 14 km downstream in a river in the same time it takes to go 7 km upstream. What is the speed of the river?
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New Member
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Nov 12, 2010, 09:33 AM
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Math word problem
One custodian cleans a suite of offices in 2 hours. When a second worker is asked to join the regular custodian, the job takes only 1 1/3hours. How long does it take the second worker to do the same job alone?
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New Member
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Nov 12, 2010, 09:35 AM
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Math word problem
A jet plane traveling a 640 mph over takes a propeller plane traveling at 160 mph that had a 2-hour head start. How far from their common starting point are the planes?
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New Member
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Nov 12, 2010, 09:37 AM
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Math word problem
One pipe fills a storage pool in 3 hours. A second pipe fills the same pool in 3 hours. When a third pipe is added and all three are used to fill the pool, it takes only 1 hour. Find how long it takes the third pipe to do the job alone.
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New Member
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Nov 12, 2010, 09:38 AM
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Math word problem
A car travels 320 miles in the same time that a motorcycle travels 280 miles. If the car's speed is 10 miles per hour than the motorcycle's, find the speed of the car and the speed of the motorcyle.
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Uber Member
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Nov 12, 2010, 10:56 PM
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Post your questions with your attempts if you want them answered, eedonohue.
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New Member
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Nov 17, 2010, 03:56 PM
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If three times a number added to 4 is divided by the number plus 8, the result is eight thirds. Find the number.
Let n = the number we seek.
(3n + 4)/(n + 8) = 8/3
Can you take it from here?
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