1 / 16

Ratios and Proportions

Ratios and Proportions. Warm Up - Simplify. Ratio – comparison of two numbers by division. Proportion – an equation stating that two ratios are equal. Ratio. # boys to # girls # boys : # girls. Ratios are equal if the cross products are equal. Solve. Solve.

garren
Download Presentation

Ratios and Proportions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Ratios and Proportions

  2. Warm Up - Simplify

  3. Ratio – comparison of two numbers by division. Proportion – an equation stating that two ratios are equal.

  4. Ratio # boys to # girls # boys : # girls

  5. Ratios are equal if the cross products are equal.

  6. Solve

  7. Solve

  8. Solve

  9. Seth earns $152 in 4 days. At that rate, how many days will it take him to earn $532?

  10. Lanett drove 248 miles in 4 hours. At that rate, how long did it take her to drive 93 miles?

  11. A blueprint for a house states that 2.5 inches equals 10 feet. If the length of a wall is 12 feet, how long is the wall on the blueprint?

  12. Smallest Angle: The ratio of the measures of the angles of a triangle is 2 :7 : 3. Find the measure of the smallest angle of the triangle.

  13. Find x: Find the 2nd largest shared holder’s profit: The profits in a business are shared by three partners in the ratio 4 : 5 : 9. The profits for the year was $720,000. Determine the number of dollars received by the partner with the second largest share.

  14. Find x: The largest angle: The ratio of the measures of the angles of a triangle is 3 : 4 : 2. Find the measure of the largest angle of the triangle.

  15. Find x: Find the number of boys. If the ratio of boys to girls in a geometry class is 3:1, and there are 28 students in the class, how many are boys?

  16. The width of a rectangle is 3/5 of the length. The perimeter is 48 feet. Find the area of the rectangle.

More Related