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Equations

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  • If 3a = 2c, and c = 12, what is the value of a?


    2
    8
    18
    27


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  • Steve and Chris are riding their bicycles across the
    country. If they travel an average of 50 miles per day,
    how many days of riding will it take them to travel
    1,000 miles?


    5 days

    20 days

    50 days

    100 days


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  • The cost of parking in a city garage can be computed using the following expression: C = 3 + 2(t – 1) where C = the cost in dollars and t = the time in hours. How much does it cost to park in the garage for 5 hours?

    9 dollars
    11 dollars
    12 dollars
    20 dollars


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  • While driving from Cleveland to Cincinnati, Mr. Vollero traveled an average of 45 miles per hour. If his trip took six hours, how many miles did he drive?

    45 miles
    131 miles
    270 miles
    315 miles


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  • The formula for determining the total number of calories in food is: T = c x n T = total number of calories c = the number of calories per ounce n = the number of ounces in the food What is the total number of calories in two 8-ounce pieces of cheesecake that contain 100 calories per ounce?

    200 calories
    400 calories
    800 calories
    1,600 calories


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  • Joel earns m dollars per hour. If he works 5 days per week for 6 hours per day, which of the following expressions represents the total amount of money that he will earn in one week?

    30
    5m/6
    11m
    30m


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  • The expression shown can be used to determine the recommended maximum pulse rate during exercise for people at different ages where P = the recommended maximum pulse rate in heartbeats per minute and A = the person’s age in years. Ron is 15 years old. What is Ron’s recommended maximum pulse rate during exercise?

    161
    164
    172
    188


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  • What number is represented by n, if 3n – 16 = 8?

    –72
    8
    –6
    24


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  • If x = 0, which of these expressions has a value of 0?

    (x + 2) ·3 + 4
    (x − 2)· (3 + 4)
    x · (2 − 3 − 4)
    x + (2 ·3 − 4)


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