You want to put $4,000 in a simple interest account. it has a 2.5% annual interest rate. how long will it take you to earn $500 in interest?

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.

What is the value of x? assume that the line is tangent to the circle.

There are 85 apples on the big tree, john picked out 15%. how many did john pick out?