Question

A store sells

3 pens in a package. There are 12 packages
of pens in a box. Write an equation to
model the number of pens in a box. Use the
equation to write another equation that
uses the Subtraction Property of Equality.
Explain how the equation is balanced.

Answer 1

12x3=36, 12x3-6=36-6

Answer 2

36

Explanation:

Total number of packages = 12

Each package contains 3 pens

SO we can write the equation as follows

3 * 12 = 36

so the total no of pens in a box = 36