Solving Equations
How many red squares should be placed on the right side of the bottom scale in order to make it balance?
How many red squares should be placed on the right side of the bottom scale in order to make it balance?
What should be placed on the right side of the bottom scale in order to make it balance?
What should be placed on the right side of the bottom scale in order to make it balance?
How many blue circles should be placed on the right side of the lower scale to make it balance?