Which of the following is NOT a solution of 3x^5+15x=18x^3 x=1
x=3
x= (square root) 5
x= - (square root) 5

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?