CBA #1 Review: Question Preview (ID: 27101)

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The reciprocal of a negative rational number _____
a) is a positive rational number b) is a negative rational number c) can be either a positive or a negative rational number d) does not exist
The temperature where Cally lives is 73° and is falling 2° per hour. Which of the following equations can be used to determine how many hours (h) it will take for the temperature to drop to 65°?
a) 73−2ℎ=65 b) 73−65=2ℎ c) 65−2ℎ=73 d) 2ℎ−73=65
Bethany spent $9.62 on fruit at the grocery store. She bought a watermelon for $4.97 and some grapes at $1.98 per pound. Which equation below can be used to determine how many pounds (p) of grapes Bethany bought?
a) 9.62+4.97=1.98p b) 9.62=4.97+p c) 9.62=4.97−1.98p d) 9.62=4.97+1.98p
Braden is reading for history class, starting on page 320. The expression 320 + 2m describes the page number Braden is on after m minutes. How many minutes will it take Braden to reach page 336?
a) 8 minutes b) 16 minutes c) 22 minutes d) 34 minutes
Which of the following is a solution to the equation x/3 + 2 = 7?
a) x = 3 b) x = 5 c) x = 15 d) x = 19
Is x = 2.5 a solution to the equation 4x + 8 = 18?
a) Yes, because 2.5 times 4 plus 8 is 18. b) No, because 4 plus 2.5 plus 8 is 14.5. c) No, because 4 plus 8 is 12. d) No, because 42.5 plus 8 is 50.5.
Darren’s cell phone bill can be described as 40 + 10d, where d is the amount of data used in MB. If Darren wants his phone bill to be less than $70 this month, which of the following is the largest amount of data he could use without going over $70?
a) 2 MB b) 3 MB c) 20 MB d) 30 MB
The value of a certain stock can be described as 3.75 + 0.05w, where w is the number of weeks since purchasing the stock. If the value of the stock is currently $5.00, how many weeks have passed?
a) 5 weeks b) 25 weeks c) 50 weeks d) 100 weeks
The weight of an object on Venus is about 9/10 its weight on Earth and the weight of an object on Mars is about 2/5 its weight on Earth. What is the difference in the weight of a 170-pound person on Venus and Mars?
a) 153 pounds b) 68 pounds c) 221 pounds d) 85 pounds
Which of the following expressions has a value equivalent to 4.5?
a) One-half of negative two-thirds b) One-third of one hundred eighty-nine thousandths c) Negative two and one-half divided by negative five-ninths d) Negative three-fourths divided by negative three-eights
On Sunday, Yassif swam 15 2/5 miles in 2.1 hours. What was Yassif’s swimming pace in miles per hour?
a) 7 1/3 mph b) 17 1/2 mph c) 13 3/10 mph d) 32 17/50 mph
Which one of the following numbers is not rational?
a) 7/16 b) 7/1 c) 7/0 d) 0.7
a) integer b) rational number c) rational number d) None of the above
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