Question

A U.S. nickel 1.95 mm thick. How many centimeters long is a roll of nickels if the entire roll is worth $2

Answer 1

Answer: 78 mm

Explanation:

First, we will find the number of nickels in the roll We know a nickel is equal to $0.05. We will use division.

$2 / $0.05 = 40 nickles

Next, we will multiply this value, the number of nickels, by the thickness of a single nickel.

40 * 1.95 mm = 78 mm