Proportion and Consumer Math Review

How can you tell if 2 ratios are proportional?

How much does he have in U.S. Dollars?

$$\frac{124}{x}=\frac{40.45}{2}$$

What is the correct proportion to use for percent proportions?

Solve the proportion:

$$\frac{x}{289}=\frac{17}{100}$$

Solve the proportion:

$$\frac{3}{14}=\frac{x}{100}$$

Organize these options into the right categories

What is the amount you will save buying the tablet?

$$\frac{x}{250}=\frac{45}{100}$$

What is the final price after the discount?

The formula for percent change is $$\frac{new-old}{old}\cdot100$$

302.597%

Round to the nearest whole percent