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mathsloverBest ResponseYou've already chosen the best response.0
is that 14000 or r u sure about 1400.
 one year ago

WhiiteRussianBest ResponseYou've already chosen the best response.1
Set y as 1400 and solve for x 1400=2375x+18000 2375x=16600 x=7 Since the slope is negative, x has to be greater than 7 (if you draw the graph you will see)
 one year ago

mathsloverBest ResponseYou've already chosen the best response.0
When will be y = 1400 ? first of all , let y =1400 1400 = 2375x + 18000 1400  18000 = 2375 x x = 6.98 so at x = 6.98 (approx. => x = 7) y will be 1400
 one year ago

mathsloverBest ResponseYou've already chosen the best response.0
May be I am wrong .. satellite73 may correct me
 one year ago

WhiiteRussianBest ResponseYou've already chosen the best response.1
You could also arbitrarily plug in points greater or less than 7 and less than 7 to check the solution
 one year ago

mathsloverBest ResponseYou've already chosen the best response.0
I meant x = 6.98 there
 one year ago

WhiiteRussianBest ResponseYou've already chosen the best response.1
mathslover, the answer would round up anyways, even at 2 significant digits. anyways i already posted the solution
 one year ago

hal_stirrupBest ResponseYou've already chosen the best response.0
my text book gives x=8
 one year ago
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