Please answer this correctly

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

17 in long 1.3 ft wide and 8in high what is the volume

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.