How many minutes does it take John to type z words if he types at the rate of y words per minute?	Answers
A) z/y  B) y/x  C) xy  D) 60x/y  E) y/(60x)
time*rate=job --&gt; time*y=z --&gt; time=z/y.   z/ynswer: z/y.
<result>A</result>
How many minutes does it take John to type z words if he types at the rate of y words per minute?