# math

posted by
**David**
.

While on his way to school, Norman saw that the cost of gasoline was $2.50 per

gallon. Write a direct variation equation to describe the cost y of x gallons of gas.

Then graph.

posted by
**David**
.

While on his way to school, Norman saw that the cost of gasoline was $2.50 per

gallon. Write a direct variation equation to describe the cost y of x gallons of gas.

Then graph.