The number before a variable is called a coefficient. The sum is the addition of two numbers, the variable is the letter or the unknown number, and the term would be the coefficient and the variable together, so “2x” would be the term. I believe that’s right.
Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?