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by tecnikal
Sat Mar 28, 2009 1:52 am
Forum: Discrete Math
Topic: Arithmetic Series: 25 on 1st, 50 on 2nd, 75 on 3rd, etc.
Replies: 1
Views: 1523

Arithmetic Series: 25 on 1st, 50 on 2nd, 75 on 3rd, etc.

Im taking up advanced functions and relations and this questions (for some reason) has me stumped. I think i got the right answer but the answer in the back of my book is different: Suppose you earn 25 cents on September 1, 50 cents on September 2, 75 cents on September 3, and so on. How much money ...
by tecnikal
Sun Mar 01, 2009 7:57 pm
Forum: Intermediate Algebra
Topic: Solving of systems: Rowing speeds and current speeds?
Replies: 2
Views: 2461

Solving of systems: Rowing speeds and current speeds?

Rowing at 8km/h, in sitll water, Rima and Bhanu take 16 h to row 39 km down a river and 39 km back. Find the Speed of the current to two decimal places. How would i set that up? my teacher taught my class to set up a kind of table but im not to sure how to. Any other methods out there? Also> A River...

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