Question

Jackson types 90 words in 2 minutes. Enter the number of words Jackson types in 7 minutes at this rate.

Answer 1

We can apply the rule of 3 to solve this.

As he types 90 words in 2 minutes, he will type x words in 7 minutes.

We can calculate x as:

$\begin{gathered} 2\min \longrightarrow90\text{ words} \\ 7\min \longrightarrow x=\frac{90}{2}\cdot7=315\text{ words} \end{gathered}$

Answer: In 7 minutes he will type 315 words.