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An alloy of tin is 15% tin and weighs 20 pounds. How many pounds of tin are in the alloy?

3 lb
15 lb
20 lb

User Obyi
by
7.2k points

2 Answers

5 votes

Answer:

The alloy has 3 lbs tin. The answer is the first choice.

User Steve Ford
by
9.4k points
3 votes
The amount of tin in the alloy is calculated by multiplying the weight of the allow with the percentage of tin. This is shown below,
(20 lbs) x (0.15) = 3 lb
Thus, the alloy contains 3 lbs tin. The answer is the first choice.
User Martin Podval
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8.9k points
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