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

Step-by-step 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

$\frac{9x}{9} = \frac{45}{9}$

Simplify

$x = 5$