Brent divided 3 1/5 by a number and got 4 1/2. what number did he divide by?
Let's assume that the unknown number is \(x\).
We are gonna build up a equation and the value of \(x\).
\(3 \frac{1}{5}/x=4 \frac{1}{2}\)
\(=\ \textgreater \ \frac{16}{5}= x(\frac{9}{2})\)