Algebra 2 Quiz - Section 2.2 Proportional Reasoning

Solve the proportion:

$$\frac{3}{26}\ =\ \frac{n}{78}$$

Solve the proportion:

$$\frac{9}{x}\ =\ \frac{40.5}{9}$$

Solve the proportion:

$$\frac{4}{17}\ =\ \frac{32}{t}$$

Find 42% of 300, Hint: $$\frac{is}{of}=\frac{\%}{100}$$

Find 15% of 680, Hint: $$\frac{is}{of}=\frac{\%}{100}$$

Find 72% of 5000, Hint: $$\frac{is}{of}=\frac{\%}{100}$$

A school building is 40 feet tall. It casts a shadow that is 104 feet long at the same time as the flagpole casts a shadow that is 169 feet long. Create a drawing that represents the flagpole (with shadow) along with a school building (with shadow). Hint, create right triangles along with a proportion.

A school building is 40 feet tall. It casts a shadow that is 104 feet long at the same time as the flagpole casts a shadow that is 169 feet long. How tall is the flagpole?

Last year, 22% of the students at the high school had perfect attendance. If 165 students had perfect attendance, how many students are enrolled at the high school? Hint, $$\frac{part}{whole}\ =\ \frac{\%}{100}$$

Cheryl wants to measure the distance across a stream (in the figure). She took some measurements and created a schematic blueprint. How wide is the stream?