Question

A stack of nickels has a mass of 45g. There are 9 nickels in the stack. What is the mass of one nickel?

Answer 1

The answer is 5g!!!!

Answer 2

5 grams

Explanation:

Given Information :

Mass of a stack of nickels = 45g

No of nickels in a stack = 9 nickels

Mass of one nickel = ?

Let the mass of one nickel be x

`9 \: nickels = 45g \\ 1 \: nickels = xg`

Cross Multiply

`9x = 45`

Divide both sides of the equation by 9

`(9x)/(9) = (45)/(9)`

Simplify

`x = 5`