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January 25, 2015

January 25, 2015

Posted by **Dee Williams** on Wednesday, October 25, 2006 at 8:32am.

Please help!

In an inverse dependence situation, the product of the two variables is a constant. In this rase, r x t = constant

Therefore

5 hr x 80 km/h = t x 70 km/h

t = (80/70) x 5 h = 5.714 hr

= 5 hr 42.9 min

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