SOLUTION: This question has a graph that goes with it. The readings are (3,0) and (0,-5). The question is about the equation for this problem. Laura routinely bikes to the northern tip or th

Algebra ->  Linear-equations -> SOLUTION: This question has a graph that goes with it. The readings are (3,0) and (0,-5). The question is about the equation for this problem. Laura routinely bikes to the northern tip or th      Log On


   

Question 453657: This question has a graph that goes with it. The readings are (3,0) and (0,-5). The question is about the equation for this problem. Laura routinely bikes to the northern tip or the island and back. Because of the steady wind, she uses one gear going north and another for her return. Laura's bike has 21 gears and the sum of the two gears used on her ride is always 24. Write an equation that represents the different pairings of gears that Laura uses.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
u = gear going upwind
d = gear going downwind
u + d = 24
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I don't know what the graph has to do with it, or the fact that there are 21 gears.