Presentation on theme: "6-2 Solving Proportions Proportion- An equation that states two ratios are equivalent 1.) 2.) Tell if each the ratios form a proportion. Use any method."— Presentation transcript:
6-2 Solving Proportions Proportion- An equation that states two ratios are equivalent 1.) 2.) Tell if each the ratios form a proportion. Use any method. 3.) 4.) =
Solve the proportion using equivalent ratios. 1.) 2.)
Required Steps: Calculator permitted, but show all steps!! Write the cross products as an equation Solve the equation by dividing l 2.) 3.) 4.) 1.) Use algebra to solve.
1.)If 2 tires cost $74, how much will 4 tires cost? 2.)A car uses 5 gal of gasoline to travel 150 mi. How much gasoline will it use to travel 5 mi? 3.) Chase plays the piano and the cello. For every 2 hours he practices the piano, he practices the cello for 3 hours. If he practiced the piano for 7 hours last week, how many hours did he spend practicing the cello?
Demonstrate Understanding: Solve using required steps. 1.) 2.) 3.) 4.) 5.) If 3 pairs of jeans cost $117, how many pairs of jeans could you buy for $312?
7.) Davis bought 4 tires for his car at a cost of $262.35. How much would 5 tires cost at the same rate? (round to the nearest cent) 6.) For every 5 sailboats in a harbor, there are 3 motorboats. If there are 30 sailboats, how many motorboats are there?