The simplest form of 18/37 & 33/44, no mixed numbers ,

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes

If there are 72 students than adults at the dance, how many adults were at the dance?