Question

There are four unequal positive integers a,
b, c and N, such that N = 5a + 3b + 5c. If
N = 4a + 5b + 4c, and N lies between 131
and 150, then what is the value of
a + b + c?
(1) 13
(2) 17
(3) 22
(4) 33
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Answer 1

Answer:

13 ra langifellow na puk ga