Real-Word Multi Step Equations
1.
You and your friend are shopping for painting supplies. Your friend wants five bottles of
paint and one set of paint brushes. You want seven bottles of paint and two sets of paint
brushes. Each bottle of paint costs $3.69. If you and your friend’s total cost is $51.69,
what is the cost of one set of paint brushes?

2.
In physics the mass energy equivalence is that the mass of a body is measured by its
energy content. This may be written algebraically as E=mc2, where E is energy, m is
mass, and c is the speed of light in a vacuum. Transform the equation so that it will be
read as a solution for mass, m. Show all the steps.