If each crystal weighs 4 ounces, then which weight should be kept on the other side of the machine to balance them?
A
10 ounces
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B
1 pound
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C
2 pounds
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D
3 pounds
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Solution
The correct option is B 1 pound Weight of each crystal = 4 ounces
Number of crystals = 4
Weight of all the crystals = 4 + 4 + 4 + 4 = 16 ounces
We know that 1 pound = 16 ounces
Therefore, we can use the weight of 1 pound to balance the crystals accurately.