the cost of one muffin is $m the cost of three is $2m. write an algebraic expression in m for the cost of 5 muffin

How many days was the temperature above 90 degrees?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

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.