SOLUTION: The rate of speed, r, of a sailboat in a race is inversely proportional to the time, t, it takes to complete the race. In other words, If it takes 2 hou

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Question 821519: The rate of speed, r, of a sailboat in a race is inversely proportional to the time, t, it takes to complete the race. In other words,





If it takes 2 hours at a rate of 8 knots to finish the race, what rate will be needed to arrive in 1.25 hours?

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
highlight_green%28r=k%2Ft%29 according to that description.

k=rt
k=8%2A2=16
'
Formula for rate is r=16%2Ft
r=16%2F1.25=highlight%2812.8%29 knots