If you are required to cross-multiply the fractions 3/4 and 1/2, by which number would you multiply the "4" in the first frac-tion?
A. 1
B. 2
C. 3
D. 4
a
Rationale: To multiply 3/4 and 1/2, you would cross-multiply the 4 in the first fraction by the 1 in the second fraction. You would then multiply the 3 in the first fraction by the 2 in the second fraction. Cross-multiplication simply means multiplying the first fraction's numerator by the second fraction's denominator and then the first fraction's denominator by the second fraction's numerator.
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