Solving Rate Problems Answers

Which equation can be used to solve for the rate, r, for Sam to change all the light bulbs in the office building by himself?

The trains are [___] away from the city when they reach each other.

Talia took the bus from her home to the bank and then walked back to her home along the same route. The bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. To determine the time, x, that it took Talia to walk home, she used the equation 40(0.9 – x) = 5x.

The distance of Trip 1 is [___] km.

⇒ 0.7

It takes 12 minutes to fill an entire bathtub using both the cold and hot water. If just the cold water is used, it takes 18 minutes to fill the bathtub. How long would it take to fill the bathtub if just the hot water were used?

✔ 1/361/155/3636/5

7.215✔ 3672

Talia took the bus from her home to the bank and then walked back to her home along the same route. The round trip took 0.9 hours total. The bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. Use the table to complete these statements.

x✔ 0.9 – x0.9