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Review: Converting Units
Explanation
We can use fraction terminology here. We are given a fixed
ratio:
To get 5 meters without altering the ratio, we can
multiply by 1:
The loads of fractions may seem laborious, but they
prevent error, and by being quite organized, you can move quickly with complete
confidence. Anyway, the number of feet corresponding to 5 meters is .
We can switch to fractions:
We have our answer. An alternative way to set up the
calculation which is mathematically identical is to write
and then solve for x by
cross-multiplying. The correct answer is (A).
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