Is 2/9 equivalent to 1:5 ?

Standard deviation of 19,29,21,22,23

Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32

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?