Answer:
45 copies per minute
Look at drawing for an explanation
A = 5
b = 1
(2*5) + (3*1) =
10 + 3 =
13
Answer:
Rachel worked for
hours
<em></em>
Step-by-step explanation:
<em>See comment for complete question</em>
Given
Let


So:

and
as long as D
Required
Determine the number of hours spent by Rachel
This implies that:
as long as D
Rewrite as:

Substitute: 

Express as improper fraction

This gives:


Express as mixed numbers

<em>Hence, Rachel worked for </em>
<em> hours</em>
Answer:
0.578 hours
Step-by-step explanation:
If boxes of books arrive at a rate of 1 per 8 minutes, the number of boxes per hour is:

If the service rate is 1 box per 6.5 minutes, the number of boxes per hour is:

The average time from when a box of novels arrives until shredding is complete is:

The average time in the system is 0.578 hours.