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September 21, 2014

September 21, 2014

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

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 6:04pmsince time = distance / speed,

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

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

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