Question

Andrew needs to print a document that is 180 pages long. How much longer will it take to print the document on a surefine printer with speed of 12ppm than on a centroid printer with speed of 15ppm

Answer 1

The rate of surefine printer is 12 pages per minute. Therefore the total time required is:

t1 = 180 pages / (12 pages per minute)

t1 = 15 minutes

The rate of centroid printer is 15 pages per minute. Therefore the total time required is:

t2 = 180 pages / (15 pages per minute)

t2 = 12 minutes

Therefore it takes 3 more minutes to print using the surefine printer.