Books are packed into boxes of 90. 23 boxes on 1 crate. How many crates will be needed to pack 270000 books.

Regular price 75$ discount 25%sale price?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?