Posted by **Gio** on Wednesday, November 14, 2012 at 10:52pm.

Write an algebraic expression to represent the cost of m gallons of gasoline if each gallon costs $1.45

Is this right M-$1.45

- Math -
**Ms. Sue**, Wednesday, November 14, 2012 at 10:56pm
No.

Why would you subtract?

If one gallon costs 1.45, what does 2 gallons cost? How do you know?

- math -
**Gio**, Wednesday, November 14, 2012 at 11:27pm
Two gallons cost $2.90. You have to add

## Answer this Question

## Related Questions

- Math - Mia buys 3 gallons of gas that costs d dollars per gallon. Bob buys g ...
- Math - How much would it cost to drive an automobile that averages 22 miles per ...
- math - While on his way to school, Norman saw that the cost of gasoline was $2....
- 7th grade math - Can you check me answer? Mrs. Acosta's car can travel an ...
- Math HELP! - The cost of your favorite lemonade is $3.84 for 3 gallons. Write ...
- Math - Larry mows the same-sized lawns in his neighborhood each weekend during ...
- math - A student uses approximately 40 to 45 gallons of gasoline per month. The ...
- statistics - In 1995, the cost of unleaded gasoline was $.95 per gallon. In 2010...
- math - An employee at a marketing firm A student uses approximately 40 to 45 ...
- Math Help!! - When the owner of a gas station sets the price of 1 gallon of ...