Mathematics, 19.08.2019 03:30, kerryanne78
One person can do a certain job in 15 minutes and another person can do the same job in 30 minutes. how many minutes will it take them to do the job together?
a) 5 min
b) 10 min
c) 20 min
Answers: 1
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?
Answers: 1
One person can do a certain job in 15 minutes and another person can do the same job in 30 minutes....
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