Homework Help: math

Posted by amanda on Thursday, February 19, 2009 at 9:48pm.

what is the least common positive integer that meets the following conditions:

divided by 7 with remainder 4
divided by 8 with remainder 5
divided by 9 with remainder 6

i thought you could add 7 and 4 to get 13, then divide 13 and 7 with r=4, but it has to be the same number for all of them.

math - Damon, Thursday, February 19, 2009 at 10:12pm
divisible by 9 R 6
15 24 33 42 51 60 69 78 87 96

8 remainder 5
13 21 29 37 44 52 60

7 remainder 4
11 18 25 32 39 46 53 60 ah ha
math - amanda, Thursday, February 19, 2009 at 10:33pm
oh i see!! thank you thank you!

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