Solving Proportional Equations Word Problems

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

How do you set up a proportion?

Back

To set up a proportion, you can use the equation a/b = c/d, where a and b are the first pair of quantities, and c and d are the second pair.

Front

If 4 ice creams cost $3.20, how much does 1 ice cream cost?

Back

$0.80

Front

If 8 sweets cost 72 cents, how much does 1 sweet cost?

Back

9 cents

Front

What is the formula to find the cost of multiple items based on a unit price?

Back

Cost = Unit Price × Number of Items

Front

If 14 sticks of pepperoni are needed for 28 pizzas, how many sticks are needed for 1 pizza?

Back

0.5 sticks

Front

How do you find the total cost when given a unit price and quantity?

Back

Multiply the unit price by the quantity.

Front

If a bird flies 35 meters in 10 seconds, what is its speed in meters per second?

Back

3.5 meters per second

Front

How do you calculate the time taken to travel a certain distance at a constant speed?

Back

Time = Distance ÷ Speed

Front

If 5 apples cost 80 cents, what is the cost of 1 apple?

Back

16 cents