# If 12 pairs of socks sell for $5.79, how much is one pair of socks? ##### 1 Answer Jan 26, 2018 #### Answer: Approximately equal to $0.5$cents. #### Explanation: Divide $5.79$by $12$to find the answer or you can use a proportion to calculate it (really helpful for me). First, I put $12$over $5.79$so $\frac{12}{5.79}$. So we have socks/costs. You can have costs/socks. It does not matter. They asked for how much is one pair of socks, we can write $\frac{\text{12 pair of socks"/($5.79) = "1 pair of socks}}{x}$

Here $x$ represents the cost of $1$ pair of socks. It is good to use a variable when you have an unknown value.

Then we can do cross-multiplication. We have

12x = $5.79 Solving for $x$gives you x =$0.4825

or approximately equal to $0.5$ cents (do not forget the unit).