Solve the equation. Check your solutions. a. 18. 16k + 3 = 17k +21 13 k= 1, k = 5 5 b. k=1, k= 13 k=-1, k- 5 13 13 5 d. k=-1, k​

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?