Cross Multiply.
 $\frac{2}{5}=\frac{7}{3}$  

Cross Multiply.
 $\frac{7}{6}=\frac{5}{2}$  

Cross Multiply.

 $\frac{3}{12}=\frac{1}{7}$  

Solve the proportion.
 $\frac{2}{3}=\frac{8}{12}$  

 $\frac{2x}{4}=\frac{6}{6}$  Solve for X. 

Solve for the unknown variable? 

 $\frac{N}{10}=\frac{7.5}{15}$  

 $\frac{2}{3}=\frac{15}{R}$  What is the value of R?

 $\frac{2}{7}=\frac{5}{Y}$  Solve for Y. 

If a used car costs $2200 and you have the money to buy 6 cars, how much money do you have?

If you are $150 short of buying a thing that costs $780, how much money you have?

If you are walking 2.5 miles each day, how long will you walk after two weeks (14 days)?

If your friend gives you 84 pencils and you need to divide it equally among other 14 friends, how many pencils each would get?

If you think you can spend 40 minutes each day reading a book, how many hours would you be reading in 15 days?

If you can type 83 words in two minutes, how much time would you take to type 415 words?

If you can score 24 points in the first 15 minutes of a basketball game, how much time would you take to score 56 points?

Set a proportion first;

24 points/15 minutes = 56 Points/ How much time? (X)

Cross Multiply and solve for X.

If you took 22 minutes to cook a very delicious dinner for 6 people, how much time would you take at that rate, to prepare dinner for 17 people?

Set a proportion first;

22 minutes/6 people = How many minutes? (X)/17 people

A building has a height of 192 meters. At the same time, a pole 4 meters high casts a shadow 16 meters long. What is the length of the shadow (?) of the building?

Solve for x

Solve for X

Solve for X

Solve for X

The width of a figure is 15 yards, and the length is not known. But a figure similar to it, has the measurements of width as 10 yards and length as 24 yards. Solve for the missing side.

Chris is 6 feet tall and casts a shadow that is 15 feet long. At the same time, a tree casts a shadow that is 135 feet long. How tall is the tree?

23 is what percent of 46?

5 is what percent of 20?

What is 125% of 80?
Set is proportion and cross Multiply.
 $\frac{125}{100}=\frac{x}{80}$  

20% of what number is 20?

10% of what number is 5?

25% of what number is 10?

There were 20 students in the class at the beginning of the year. Now, it has gone up to 45. What is the percent change (in this case increase) of the students’ number?

A $50 dress was marked down to $30. What is the percent of change (in this case decrease) for the price?

Your business buys used mobile phones for $65 and sells them for $85. What is the percent of change? Increase or decrease?

Jack bought a video game system for $225. The original price of the system was $350. What was the percent decrease for the item?

A winter coat usually costs $425. But it’s on sale for a price of $369. What is the percent of sale price?

On the first day of school, Ms. Leman had 19 students in her class. Now she has 25 students. What is the percent of change? Increase or decrease?

If you deposited $100 for an interest of 25%, for 5 years. How much is the interest you get?

If you deposited $800 for an interest of 4%, for 12 years. How much is the interest you get?

If you deposited $200 for an interest of 15%, for 2 years. How much is the interest you get?

If you deposited $25 for an interest of 50%, for 10 years. How much is the interest you get?

If you deposited $10 for an interest of 1%, for 20 years. How much is the interest you get?

What is the slope of this equation?

Y = 2/5x + 5

What is the constant rate of change for this equation?

Y = -5x - 2

What is the constant rate of change for this equation?

Y = 1/4x + 2

What is the constant rate of change for this equation?

Y = -9x

What is 25% of 40?

Hey... that's one fourth of 40!!

What is 50% of 25?

Hey... that is half of 25!!

What is 33% of 33?

Hey... that is one third of 33!!

What is 10% of 70?

Hey... that is one tenth of 70!

What is 60% of 12?

Hey... that is one sixth of 12!!!