1.) The temperature at a ski slope decreases 2.5 degrees Fahrenheit for every feet of elevation above the base. The temperature at the base is 28 degrees Fahrenheit and the temperature at the summit is 24 degrees Fahrenheit. How many thousand feet above the base is the summit?
2.) A carpenter is building a rectangular fence for a playground. One side of the playground is the wall of a building 70 ft wide. He plans to use 340 ft of fencing material. What is the length of the playground if the width is 70 ft?
3.) Two friends are renting an apartment. They pay the landlord the first month's rent. The landlord also requires them to pay an additional half of a month's rent for a security deposit. The total amount they pay the landlord before moving is $1725. What is the monthly rent?
4.) You are fencing a rectangular puppy kennel with 25 ft of fence. The side of the kennel against your house does not need a fence. This side is 9 ft long. Find the dimensions of the kennel.
#1. (28-24°) / (1°/1000ft) = 4000ft
#2. 70 + 2L = 340
Now you try the others ...