what 3 digit # is divisable by 3, the 10s dig. is 3 times the 100s dig.-sum is15-If dig. rev. # divis, by 6&3?

2 ⤊

what 3 digit # is divisable by 3, the 10s dig. is 3 times the 100s dig.-sum is15-If dig. rev. # divis, by 6&3?

2006-11-20 06:50:19 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

3 answers

100a + 10b + c = N
b = 3a
a + b + c = 15
The reverse being divisible by 2, a must be even
since b = 3a and b must be an integer,
a = 2
b = 6
c = 15 - 8 = 7
N = 267

2006-11-20 07:13:51 · answer #1 · answered by Helmut 7 · 1⤊ 0⤋

267

2006-11-20 07:00:24 · answer #2 · answered by Dupinder jeet kaur k 2 · 0⤊ 0⤋

7 minutes and no answers?
Try explaining it clearly instead of trying to cram it all into the title.

2006-11-20 06:58:34 · answer #3 · answered by Hy 7 · 1⤊ 0⤋