There are seven colors defining <i>wavelengths</i> of visible light. They are red, orange, yellow, green, blue, indigo, and violet. <br /> However, the three primary colors for ADDITIVE combination (such as the colors on these web pages) are <b>red</b>, <b>blue</b> and <b>green</b>.
Cost of the driveway will be based upon the amount of concrete required, forms, and reinforcement material needed to prepare the area for the concrete slab. Typically, a plain driveway for a two-car garage will cost in the area of $3,000 to $4,000 and a three-car garage in the area of $5,000 to $6,000.
The cost to Install a Concrete Driveway starts at $7.51 - $9.26 per square foot, but varies significantly with common options. Get real costs for your SPECIFIC project requirements here. See the time to install a concrete driveway, along with per unit costs and material requirements.