Word Problems Proportions

Setting up proportions to solve word problems

You can set up a proportions TO SOLVE.

Multiple Choice

During the first 72 days of a fundraiser, Krystal sold 56 subscriptions. How many subscriptions would Krystal sell in a 216 days?

Multiple Choice

Ms. Ginsberg's second period class has 30 students. 18 of these students have an A. If Ms. Ginsberg has 80 students total, how many students are earning an A?

• $$\frac{80\ students}{18\ A's}=\ \frac{30\ students}{x\ A's}$$

• $$\frac{x\ A's}{30\ students}=\ \frac{80\ students}{18\ A's}$$

• $$\frac{30\ students}{x\ A's}=\ \frac{80\ students}{18\ A's}$$

• $$\frac{30\ students}{80\ students}=\ \frac{18\ A's}{x\ A's}$$

Multiple Choice

If you can buy four bunches of purple grapes for $10, then how many can you buy with $25?

Select the proportion that correctly represents the situation.

• $$\frac{4\ bunches}{10\ dollars}=\frac{x\ bunches}{25\ dollars}$$
  

• $$\frac{4\ bunches}{25\ dollars}=\frac{x\ bunches}{10\ dollars}$$

• $$\frac{4\ dollars}{10\ bunches}=\frac{x\ dollars}{25\ bunches}$$

• $$\frac{4\ bunches}{25\ dollars}=\frac{10\ bunches}{x\ dollars}$$

Multiple Choice

If you can buy four bunches of purple grapes for $10, then how many can you buy with $25?

Solve the proportion.

• 1.6 bunches

• 10 bunches

• 62.5 bunches

• 12 bunches