Which of the following is the equivalence in pounds for 55 kg? (2.2 lb=1 kg)
82.2 lb
22.6 lb
121 lb
242 lb
Correct Answer : C
We are asked to convert kg to pounds using the given relation. If we let x to represent the lb we are asked to find, we set the proportion equation with kg on numerator and lb on the denominator as follows.
The equivalent value of 55kg is 121 lb.
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Correct Answer is A
Explanation
To answer this question, we need to convert the numbers into a similar form. Converting decimal numbers into fraction is appropriate to finding the greatest number.
-0.9 becomes 9/10
-1.9 becomes 19/10
Now we find the LCM of the denominators of the four fractions. The LCM of 5, 10 and 3 is 30. Multiply each fraction with the LCM to compare the fractions.
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The greatest number is -18, meaning -3/5 is the greatest number.
Correct Answer is D
Explanation
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Correct Answer is A
Explanation
9/20 is the same as 9 divided by 20, which is evaluated 9÷20. The value becomes 0.45.
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Correct Answer is A
Explanation
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Correct Answer is A
Explanation
The number of boxes to fit the room is found as volume of the room divided by the volume of the box.
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Correct Answer is C
Explanation
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Explanation
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Explanation
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Correct Answer is C
Explanation
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Correct Answer is D
Explanation
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