5/19 Final Prep: Ratio's/Proportions, Geometry, Statistics and Probability

In the equation y = 55x, what is the constant of proportionality?

A pesticide concentrate instructs you to mix 3.5 ounces of concentrate into every 2 quarts of water. How much concentrate would you use with 7 quarts of water?

What is the equation (Cost per lb.) for this chart? Use x and y for your variables

Janie made a 75% on her math test. If she got 15 problems right, how many questions were on the test?

The attendance fell from 9850 to 8274. What percent did it decrease by?

The regular price of an ink cartidge is $32. It is on sale in Kelowna for 20% off. Calculate the sales price (the price you have to pay, without taxes). Round to the nearest cent.

During a 30% off sale in Portage la Prairie, Manitoba, the sale price of a memory stick was $27.99. What was was the sales price of the memory stick including taxes? (taxes in Manitoba is 13%)

During a 30% off sale in Portage la Prairie, Manitoba, the sales price of a memory stick was $27.99. How much do you save by buying the memory stick on sale? (In other words, what is the difference between the original price with tax and the sales price with tax.)

A North Face Jacket costs $65. It is on sale for 20% off. What is the amount of discount?

A textbook company purchases a book for $83 and applies a 225% markup before reselling it. How much does the company resell the textbook for?

What is the amount of the tip Calvin left for his meal?

Find the area of the trapezoid.

Find the area of the shaded region.

Which player had the highest mean runs per week? What is his mean?

Which statement is true about the double box plot?

What is the maximum value?

What is the first quartile?

What is the third quartile?

What is the IQR?

What is the median?

What is the range?