Posted by **Anonymous** on Monday, May 5, 2014 at 5:04pm.

Jane walks one mile from her house to her grandparentsâ€™ house. Then

she returns home, walking with her grandfather. Her return rate is 70% of her normal walking rate. Let r represent her normal walking rate.

a. Write an expression for the amount of time Jane spends walking.

b. Simplify your expression.

- Math -
**Steve**, Monday, May 5, 2014 at 6:04pm
since time = distance / speed,

t =1/r + 1/.70r = 1.70/.70r = 2.43/r or 17 / 7r

- Math -
**Anonymous**, Monday, May 5, 2014 at 7:04pm
How did it add up to 1.7/.7r?

## Answer This Question

## Related Questions

- algebra 1 - fred begins walking at three mi/h. john leaves his house at the same...
- math - Fred begins walking toward John house at 3 mi/h. John leaves his house at...
- Math/Science - An ocean liner is traveling at 5m/s. A passenger on deck walks ...
- Physics - An ocean liner is traveling at 5m/s. A passenger on deck walks towards...
- physics - An ocean liner is traveling at 5m/s. A passenger on deck walks towards...
- algebra - From her house, Mary travels to New York at an average rate of 50 ...
- Math - If Anna leaves her house at 11:00am and walks to her friends house ...
- math - 1. Two roads intersect at an angle of 52.7 degrees, with a field in ...
- 8th grade math - Hoshi walks 10 meters in 3 seconds. A. What is her walking rate...
- math. - Mr. B walks for 4 hours at the rate of y miles an hour. He stops an hour...

More Related Questions