18. The price of 4 meals for Erin and her 3 friends was $60 before the addition of tax and tip. Erin and 2 friends each had meals of equal price. The price of the 3rd friend's meal was twice the price of Erin's meal. What was the price, in dollars, of Erin's meal?
Answer and Explanation
Your Answer is
Correct Answer is G
Explanation
Set the desired value to x, 3x+2x=60, x=12, choose G