Question

A half-Dollar has a diameter of about 31 millimeters. About how many millimeters long would a row of 56 half-dollars be?

Answer 1

Multiply 31 mm by 56:

56(31 mm) = 1736 mm (answer)

Answer 2

A row of 56 half-dollars be 1736 mm long

Explanation:

A half-Dollar has a diameter of about 31 millimeters.

Diameter of half dollar = 31 mm

About how many millimeters long would a row of 56 half-dollars.

So we are arranging 56 half dollars in 1 row

Total length = Number half dollars x Diameter of half dollar

Total length = 56 x 31 = 1736 mm

A row of 56 half-dollars be 1736 mm long