A painter uses the formula C = 20h + 20c to determine how much he should charge a customer in dollars if a job takes h hours and c cans of paint.

How much should the painter charge if it took 15 hours and 3 cans of paint to paint a house?

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A carton of paper weighs 13 kilograms, and a box of file folders weighs 8.5 kilograms. A truck was loaded with 9 cartons of paper and 24 boxes of file folders.

What was the total weight, in kilograms, of the cartons of paper and boxes of file folders loaded onto the truck?

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Because correcting errors reduces the actual number of words per minute a person might type, some people use the following formula to calculate effective typing speed (T) in words per minute:

Where w is the number of words typed in 5 minutes, and e is the number of errors made.

If Cesar types 325 words in 5 minutes and makes 5 errors, what would be the value of T?

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Louise is raising money for a charity fund by participating in a walk-a-thon. Each of her 30 co-workers has pledged $0.25 for each mile she walks.

If Louise walks the entire 20-mile route, which of the following expressions represents the total amount, in dollars, she will raise for the charity fund?

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Which country has the least percent of inland water area?

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To be eligible to vote in the town of Clayton, a person must be a citizen of the town and at least 18 years of age. Of the town’s 5000 residents, 3000 are at least 18 years old. Of these, 2700 have registered to vote.

A pool of 35 Clayton jurors is to be randomly selected next month from the town’s registered voters. Luis, who is 15 years old, lives in Clayton.

What is the probability Luis will be among those selected for the jury pool next month?

A) 0

B)

C)

D)

E) Not enough information is given.

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The slopes of the lines give the average rates of speed, in miles per hour, for the two bicyclists.

What is the average rate of speed, in miles per hour, for bicyclist A?

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If the postage on an overseas letter costs $1.50, which of the following could be the weight of the letter in ounces?

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The boards on the surface of an outdoor deck are often placed at a 45° angle for decorative appeal. The hypotenuse of a 45°-45°-90° right triangle is found by multiplying the length of a leg by2.

To the nearest tenth of a foot, how long must a board be to cover the diagonal of the square deck shown at the left?

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The slope of the function gives the cost per hour for using each Internet service.

To the nearest whole dollar, what is the approximate cost per hour for using the Cost Cutter Service?

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