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Cards In This Set
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Which sentence is the correct translation for 4-3x=15?
(1) three time a number less than four is 15 (2) four less than three times a number is 15 (3) four subtracted from three times a number is 15 (4) three times a number minus four is 15 |
Answer: (1)
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Carries bought a new carpet for her bedroom. She calculated the area of the living room to be 137.3 square feet. The actual area was 125.7 square feet. What is the relative error of the area to the nearest ten-thousandth (four decimal places)?
(1) 0.0923 (3) 0.0845 (2) 0.0922 (4) 0.0844 |
To solve: Find the absolute value of 137.3-125.7 divided by 125.7. That equals .092283214 which rounds to .0923.
Answer: (1) 0.0923 |
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It takes Tammy 45 minutes to ride her bike 5 miles. At this rate, how long will it take her to ride 8 miles?
(1) 0.89 hours (3) 48 minutes (2) 1.125 hours (4) 72 minutes |
Answer: (4) 72 minutes
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Find three consecutive integers so that two times the first added to three times the second exceeds 4 times the third by 3.
(1) 6, 7, 8 (2) 8, 9, 10 (3) 6, 8, 10 (4) 7, 8, 9 |
To solve: Let x = 1st consecutive integer
Let x+1 = 2nd consecutive integer Let x+2 = 3rd consecutive integer Answer: (2) 8, 9, 10 |
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Solve for w: 10w+2=72
(1) 7.4 (3) 5.2 (2) 60 (4) 7 |
To solve: Use trial & error and Ro3 OR algebra w/out Ro3.
Ro3 = Rule of 3 Answer: (4) 7 |
