Posted by **mike** on Sunday, October 5, 2008 at 2:26pm.

Pete and Kathy are standing at home on a softball field. Pete starts walking up the third base line at the rate of 6 feet per second. At the same time, Kathy starts jogging up the first base line at the rate of 10 feet per second. In how many seconds will they be 270 feet apart?

- algebra 2 -
**Reiny**, Sunday, October 5, 2008 at 4:20pm
Did you make a diagram?

Let the time taken be t seconds,

so the distance along third base line is 6t feet, and the distance along the first base line is 10t feet.

hoping that the lines at home plate are at 90ยบ, don't you have a right-angled triangle and therefore isn't

(6t)^2 + (10t)^2 = 270^2 ?

t = .....

(pretty big softball field !)

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