Understanding Formulas from Word Problems

A car travels 60 miles in 1.5 hours. What formula can you use to find the speed of the car?

• speed = distance + time

• speed = distance / time

• speed = distance - time

• speed = time / distance

If a rectangle has a length of 10 cm and a width of 5 cm, what formula would you use to calculate its area?

• Area = length * width

• Area = length / width

• Area = length + width

• Area = 2 * (length + width)

A recipe requires 2 cups of flour for every 3 cups of sugar. What formula represents the relationship between flour and sugar?

• flour = (3/2) * sugar

• flour = (2/3) * sugar

• sugar = (3/2) * flour

• sugar = (2/3) * flour

A tank can hold 500 liters of water. If it is filled at a rate of 25 liters per minute, what formula can you use to find the time it takes to fill the tank?

• time = 500 * 25

• time = 500 + 25

• time = 500 - 25

• time = 500 / 25

If a person saves $200 every month, what formula can you use to calculate the total savings after 'n' months?

• Total Savings = 200 * n

• Total Savings = 200 - n

• Total Savings = 200 / n

• Total Savings = 200 + n