2006 CEMC Fermat Problems/Problem 1

Problem

The value of $\frac{1}{4 \times 5}$ is

$\text{ (A) }\ 0.45 \qquad\text{ (B) }\ 0.05 \qquad\text{ (C) }\ 1.25 \qquad\text{ (D) }\ 0.20 \qquad\text{ (E) }\ 0.02$

Solution

We can simplify the fraction:

$\frac{1}{4 \times 5} = \frac{1}{20}$

However, the problem wants us to convert this fraction into a decimal. Dividing $1$ by $20$ , we find that $\frac{1}{20}$ is $\boxed {\textbf {(B) } 0.05}$ .

~anabel.disher

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2006 CEMC Fermat Problems/Problem 1

Problem

Solution