Algebra 1: Unit 2 Review

Which of the following equations is equivalent to $$\frac{x-3}{7}=\frac{3}{4}$$

In City Lake, researchers caught, marked, and released 176 bass. Later, they took a sample of 91 bass and found that 13 were marked. Estimate the number of bass in the lake.

Solve for x. Only enter the numeric portion of the answer.

$$\frac{x-6}{5}=\frac{x}{7}$$

What is 75% of 40?

1170 is 130% of what number?

What percent of 160 is 168?

There are 32 marbles in the box. There are 12 red marbles, 14 blue marbles, and 6 yellow marbles. What percent of the marbles are NOT blue?

What is the percent of change from 5,000 to 800?

What is the percent of change from 25 to 34?