word Math Problem, math homework help

word Math Problem, math homework help

Which one is a good method for estimating the thickness of each coin?

A.

Stack some coins to a measureable height such as 2 inches, and then multiply the height of the stack by the number of coins in the stack. Do this for each type of coin.

B.

Stack some coins to a measureable height such as 2 inches, and then divide the height of the stack by the number of coins in the stack. Do this for each type of coin.

C

Stack some coins to a measureable height such as 2 inches, and then divide the height of the stack by the number of coins in the stack. The thickness of the rest of the coins is about half of this quotient.

D.

Take one of each coin and make a stack. Measure the height, and then divide the height of the stack by the number of coins in the stack.