Sold 68 boxes of cookies for a fundraiser. if she sold 40% of the total number of boxes sold for the fundraiser, how many total boxes of cookies were sold for the fundraiser

What is the range? can’t seem to find it out

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project