Solving Proportions from Word Problems

1. If 2 cubic feet of sand weigh 90 pounds, how much do 5 cubic feet of sand weigh? 2. The deposit on one can is $0.05, what is the deposit on 23 cans? 3. A tree is 15 feet tall and casts a shadow of 9 feet. How long is the shadow of a tree 25 feet tall? 4. Rinaldo walked 3 kilometers in 27 minutes. ................
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