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 2 years ago
The numbers 82, 90 and 168 are divided by a positive integer (a nonzero whole number), leaving remainders. If the sum of the three remainders is 25, what is the positive integer?
 2 years ago
The numbers 82, 90 and 168 are divided by a positive integer (a nonzero whole number), leaving remainders. If the sum of the three remainders is 25, what is the positive integer?

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integralsabiti
 2 years ago
Best ResponseYou've already chosen the best response.0we should also know the remainders.

integralsabiti
 2 years ago
Best ResponseYou've already chosen the best response.0@FoolForMath wanna see your solution pls.

beknazar23
 2 years ago
Best ResponseYou've already chosen the best response.182 = n*x + a 90 = m*x + b 168 = k*x + c a+b+c = 25 x  ?

integralsabiti
 2 years ago
Best ResponseYou've already chosen the best response.0three equasions and 7 variables

beknazar23
 2 years ago
Best ResponseYou've already chosen the best response.1you should add theses 3 equations, then you'll get: 340 = x*(n+m+k)+ 25, replace n+m+k = c(some positive integer like x) 315 = x*c

FoolForMath
 2 years ago
Best ResponseYou've already chosen the best response.0The numbers were small, i simply calculated one by one. The general problem is interesting. I need think about it.

beknazar23
 2 years ago
Best ResponseYou've already chosen the best response.1my equation helps to reduce the candidate numbers: x = 3,5,7,21 only. because, there are only integer number. then you'll put these candidate numbers onebyone

integralsabiti
 2 years ago
Best ResponseYou've already chosen the best response.0@beknazar23 s solution is good enough.
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