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Mathematics, 12.07.2019 19:00 aubreymoore4553
Atrain travels 50 kilometers in 4 hours, and then 77 kilometers in 3 hours. what is its average speed?
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Mathematics, 21.06.2019 21:00, angelaguero536
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Mathematics, 21.06.2019 23:00, stodd9503
Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?
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Atrain travels 50 kilometers in 4 hours, and then 77 kilometers in 3 hours. what is its average spee...
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