DO NOW Copy down your homework: 2-9 Lesson Check on page 141

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DO NOW Copy down your homework: 2-9 Lesson Check on page 141 Warm-up: The figures are similar. Identify the corresponding sides and angles.

HW Questions?

Quiz Review The figures are similar. Identify the corresponding sides and angles.

Quiz Review The figures are similar. Find the missing length.

Quiz review The scale of a map is 1 cm : 15 km. Find the actual distance if the map distance is 4.6 cm.

Quiz review A 8-ft tall flagpole stands next to a building. The shadow of the flagpole is 14 ft and the shadow of the building is 40 ft. What is the height of the building? Hint: draw a picture

Quiz Review Charlotte and Nowhereville are 382.5 miles apart. On a map, the distance between the two towns is 4.5 in. What is the scale of the map?

Quiz Time!

2-9 Percents

Table of contents 1 Page # topic date ? 2-1 Solving One-Step Equations 2/11/15 ? 2-2 Solving Two-Step Equations 2/12/15 ? 2-3 Solving Multi-Step Equations 2/17/15 ? 2-4 Solving Equations with 2/18/15 Variables on Both Sides ? 2-5 Literal Equations and Formulas 2/19/15 ? 2-6 Ratios, Rates & Conversions ? 2-7 Solving Proportions ? 2-8 Proportions & Similar Figures ? 2-9 Percents 1

Find the percent using a proportion. What percent of 56 is 42?

You try. Find the percent using a proportion. What percent of 90 is 54?

Find the percent using the percent equation. What percent of 40 is 2.5?

You try. Find the percent using the percent equation. What percent of 84 is 63?

Now, let’s check with a proportion. What percent of 84 is 63?

Finding a part A dress shirt that normally costs $38.50 is on sale for 30% off. What is the sale price of the shirt?

You try! A family sells a car to a dealership for 60% less than they paid for it. They paid $9000 for the car. For what price did they sell the car?

Finding a base 125% of what number is 17.5?

You try 30% of what number is 12.5? Solve by using an equation AND by using a proportion.

Fraction equivalents for common percents memorize these!!!

Use the simple interest formula I=PRT Use the simple interest formula You deposited $840 in a savings account that earns a simple interest rate of 4.5% per year. You want to keep the money in the account for 4 years. How much interest will you earn? Check your answer to see if it is reasonable.

You try – use the simple interest formula You deposited $125 in a savings account that earns a simple interest rate of 1.75% per year. You earned a total of $8.75 in interest. For how long was your money in the account?