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1. translate and solve: what number is 408% of 568? round to the nearest hundredth.

2.in 10 years, the population of detroit fell from 950,000 to about 712,500. find the total percent decrease.

3.a cash box of $1 and $5 bills is worth $45. the number of $1 bills is three more than the number of $5 bills. how many of each bill does it contain?

4.marquese is making 10 pounds of trail mix from raisins and nuts. raisins cost $3.45 per pound, and nuts cost $7.95 per pound. how many pounds of raisins and how many pounds of nuts should marquese use for the trail mix to cost him $6.96 per pound?