the cost of 12 gallons of gas is represented by 12x, and the cost of a quart of oil is represented by 2x-30.Represent the cost of 12 gallons of gas and a quart of oil.

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anonymous · Answer

if you already posted one question, don't repost exactly same one just in 2 minutes

anonymous · Answer

put a plus sign between them, then combine like terms

anonymous · Answer

what

anonymous · Answer

12 gallons of gas is 12x
a quart of oil is 2x-30
12 gallons of gas AND a quart of oil is 
$$12x+2x-30=14x+30$$