Answer
Let x be the number of drinks and y be the cost. Since each drink is the same price, you must multiply $2.50 by the number of drinks to find the cost. Assume that x is the number of drinks and y is the cost.
2.50x=y
Work Step by Step
#drinks−−−−−−− cost−−−−
1 $2.50
2 $5.00
3 $7.50
