Pedro was simplifying and his work is shown below. identify where he made his error. original problem: 4/7 divided by 5/8 step 1: 4/7 times 8/5 step 2: 4 x 5 7 x 8 step 3: 20/56 step 4: 5/14

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?