Question

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

Answer 1

1736 mm

Step-by-step explanation:

Answer 2

A row of 56 half dollars will be 1736mm long

Step-by-step explanation:

Given:

The diameter of half dollar = 31mm

Solution:

If we put two half dollar in a row then the row will become
`2*31=62mm`

But we put another two half dollars in a row then row will be long and becomes=
`4*31=124mm`

Similarly

If we put 56 dollars in a row then row will be long and becomes =
`56*31`= 1736mm