I swear every Christmas song says mistletoe it's so annoying

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

3.4a=57.8 what is the the value of a

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?