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Magazine Problem 395
Express the probability as both a fraction and a decimal. (Round to three decimal places, if necessary.) Michel has four rock CDs and six country CDs in his car. He will pick one CD to play on his way to work. Find the probability Michel will pick a rock CD.
Problem 396
Express the probability as both a fraction and a decimal. (Round to three decimal places, if necessary.) Noah is planning his summer camping trip. He can鈥檛 decide among six campgrounds at the beach and twelve campgrounds in the mountains, so he will choose one campground at random. Find the probability that Noah will choose a campground at the beach.
Problem 405
In the following exercises, write each ratio as a fraction. $$42 \text { to } 48$$
Problem 415
In the following exercises, write each ratio as a fraction. $$4 \frac{1}{6} \text { to } 3 \frac{1}{3}$$
Problem 420
In the following exercises, write each ratio as a fraction. $$\$ 1.38 \text { to } \$ 0.69$$
Problem 431
In the following exercises, write each rate as a fraction. 140 calories per 12 ounces
Problem 432
In the following exercises, write each rate as a fraction. 180 calories per 16 ounces
Problem 433
In the following exercises, write each rate as a fraction. 8.2 pounds per 3 square inches
Problem 437
In the following exercises, write each rate as a fraction. \(\$ 595\) for 40 hours
Problem 439
In the following exercises, find the unit rate. Round to two decimal places, if necessary. 140 calories per 12 ounces
