Problem 47
In a recent year, the annual crime rate for Oklahoma was 4743 crimes per \(100,000\) people. If Oklahoma had approximately \(3,500,000\) people at that time, approximately how many crimes were committed?
Problem 47
Solve the proportion. Be sure to check your answers. $$\frac{16}{-13}=\frac{20}{t}$$
Problem 48
To measure the height of the Washington Monument, a student \(5.5 \mathrm{ft}\) tall measures his shadow to be \(3.25 \mathrm{ft}\). At the same time of day, he measured the shadow of the Washington Monument to be \(328 \mathrm{ft}\) long. Estimate the height of the monument to the nearest foot.
Problem 49
Solve the proportion. Be sure to check your answers. $$\frac{m}{12}=\frac{5}{8}$$
Problem 50
In a recent year, the rate of prostate disease in U.S. men was 118 cases per 1000 men. At that time, the state of Massachusetts had approximately \(2,500,000\) men. How many men in Massachusetts would be expected to have prostate disease?
Problem 51
Solve the proportion. Be sure to check your answers. $$\frac{17}{12}=\frac{41}{x}$$
Problem 52
a. The price per share of Microsoft stock rose \(\$ 18.24\) in a 24 -month period. Compute the rate representing the increase in the price per month. b. The price per share of IBM stock rose \(\$ 22.80\) in a 12 -month period. Compute the rate representing the increase in the price per month. c. Which stock had a greater rate of increase per month?
Problem 53
A cheetah can run \(120 \mathrm{m}\) in 4.1 sec. An antelope can run \(50 \mathrm{m}\) in 2.1 sec. Compare their unit speeds to determine which animal is faster. Round to the nearest whole unit.
Problem 58
Albacore tuna comes in different-size cans. Find the unit cost of each package to find the best buy. (Round to three decimal places.) a. \(\$ 3.99\) for a \(12-\) oz can b. \(\$ 6.29\) for a 4 -pack of \(6-\) oz cans c. \(\$ 3.39\) for a 3 -pack of 3 -oz cans
Problem 58
Solve the proportion. Be sure to check your answers. $$\frac{6}{5}=\frac{-\frac{1}{2}}{t}$$