A book is 7.5 inches long. How many centimeters long is the book?

2 Answers
Apr 15, 2016

#approx 18.75cm#

Explanation:

There are approximately #2.5cm# in an inch, which means that #7.5# inches is about

#7.5 * 2.5 = 18.75cm#

Apr 15, 2016

Exactly #19.05# cm

Explanation:

Nowadays, an inch is defined as exactly #2.54# cm.

So in #7.5# inches there are #7.5*2.54 = 19.05# cm