Question

Jerome writes 1/3 page in 1/2 of a minute. How much time will it take Jerome to write a full page

Answer 1

1.5 min

Explanation:

`\begin{array}{cccc}(1)/(3)\ page&-&(1)/(2)\ min&\text{multiply both sides by 3}\\\\3\!\!\!\!\!\diagup^1\cdot(1)/(\\ot3_1)\ page&-&3\cdot(1)/(2)\ min\\\\1\ page&-&(3)/(2)\ min\end{array}`