Assignment:
Lisa is coloring her creation. The blue color used is 50% of the green color used, yellow is 5% of the blue color used, and brown is 7% of the amount of green used. She wants to find the total amount of color used by her.
a. Find the total amount of color used by Lisa using an algebraic expression.
b. Comment on the kind of factors of the simplified algebraic expression.
Provide complete and step by step solution for the question and show calculations and use formulas.