If each stone weighs 2 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
3 pounds
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D
2 pounds
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Solution
The correct option is B 1 pound Weight of each stone = 2 ounces
Number of stones = 8
Weight of all stones = 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 = 16 ounces
We know that 1 pound = 16 ounces
Therefore, we can use a weight of 1 pound to balance the stones accurately.