07/03/20

what is thomas’s age?
huilan is 12 years younger than thomas. the sum of their ages is 68.
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06/30/20

Math word problems.
A pump Removes 30 gallons of water per minute is pumping water from a cellar 30 x 50 feet covered with eight inches of water. One cubic foot of water equals 7.5 gallons of water. The number of... more
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03/27/20

It takes 32 minutes for 3 people to paint 4 walls. How many minutes does it take 4 people to paint 7 walls?
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03/27/19

In attempt to win a car, Jacob will flip a coin up to six times. If the coin lands on "heads" six times in a row, Jacob wins. If the coin lands on "tails", the game is over.

In attempt to win a car, Jacob will flip a coin up to six times. If the coin lands on "heads" six times in a row, Jacob wins. If the coin lands on "tails", the game is over. His probability of... more
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03/10/15

The average of a set of 7 integers is 24. When an 8th number is included in the set, the average of the set increases to 31. What is the 8th number?
Please He4lp!
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