Question: 4) How much multi-colored confetti worth $3 a pound should be mixed with metallic star confetti worth $4 a pound to make 400 pounds of

4) How much multi-colored confetti worth $3 a pound should be mixed with metallic star confetti worth $4 a pound to make 400 pounds of a mixture worth $3.65 a pound?

5) A bought traveled 28 miles downstream in 4 hours and made the return trip in 7 hours. Find the speed of the bat in still water and the speed of current.

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