Sally had just got her license and the first night her parents said she could drive, she came home and her little dog ran in front of her. To avoid her dog, she smashed into the side of the house. After everyone was determined to be OK, she had the fun of repairing the damage to the house. She offered to paint the side of the house for her parents. Her parents left it up to her to buy the paint and do all the work. Using her amazing Algebra 2 skills she thought she’d calculate what to buy. The first step was to determine how much paint she would need. First, she needed to determine the surface area of the side of the house in order to estimate the number of gallons of paint she would need. She knew the top of the house was an isosceles triangle. She figured she could climb on a ladder to measure the angle between the pitch of the roof and the wall, and the rest was pretty easy. Using composite figures and trigonometry she calculated the area of the side of the house. INext, she went to the local hardware store and learned that there are many different types of paint. So she created a table to compare the different kinds and determine which would be best. Calculate the square area of the side of the house. Image of the house with measurements. Create your own table (use the sample table) comparing the prices of paint. Choose three types of paint. Some might contain primer, a substance that helps the paint stick better and appear darker. These are often more expensive, but that would be one less coat of paint. use this sample table . Summarize the plan of action that Sally should take. Type of Paint Price/gallon Coverage Surface Area of the side of the House # gallons for one coat Number of coats Total # of gallons Cost Behr 200-400 Sherwin Williams 350 Glidden (no primer) 350 Primer 350
Sally had just got her license and the first night her parents said she could drive, she came home and her little dog ran in front of her. To avoid her dog, she smashed into the side of the house. After everyone was determined to be OK, she had the fun of repairing the damage to the house.
She offered to paint the side of the house for her parents. Her parents left it up to her to buy the paint and do all the work. Using her amazing Algebra 2 skills she thought she’d calculate what to buy. The first step was to determine how much paint she would need.
First, she needed to determine the surface area of the side of the house in order to estimate the number of gallons of paint she would need. She knew the top of the house was an isosceles
Using composite figures and trigonometry she calculated the area of the side of the house. INext, she went to the local hardware store and learned that there are many different types of paint. So she created a table to compare the different kinds and determine which would be best.
Calculate the square area of the side of the house. Image of the house with measurements.
Create your own table (use the sample table) comparing the prices of paint. Choose three types of paint. Some might contain primer, a substance that helps the paint stick better and appear darker. These are often more expensive, but that would be one less coat of paint. use this sample table .
Summarize the plan of action that Sally should take.
| Type of Paint | Price/gallon | Coverage | Surface Area of the side of the House | # gallons for one coat | Number of coats | Total # of gallons | Cost
|
|---|---|---|---|---|---|---|---|
| Behr | 200-400 | ||||||
| Sherwin Williams | 350 | ||||||
| Glidden (no primer) | 350 | ||||||
| Primer | 350 |
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