Elementary Math Resources

A grocer has some apples. He gives a two third of them away to his sister. Then he gives one to his nephew. Then he gives three quarters of what he has left to his daughter. After that, he has 4 apples...

six workers can build a play house in 6 days. Assuming that all of the workers work at the same rate, how many workers would it take to build 48 play houses in 18 days? 

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