SOLUTION: Number Theory Adding a three-digit number 5Z7 to 256 gives XY3. IfXY3 is divisible by 3, then what is the largest possible value of Z?

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Question 108646This question is from textbook College Alegbra
: Number Theory Adding a three-digit number 5Z7 to 256 gives XY3. IfXY3 is divisible by 3, then what is the largest possible value of Z? This question is from textbook College Alegbra

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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Adding a three-digit number 5Z7 to 256 gives XY3. If XY3 is divisible by 3, then what is the largest possible value of Z?
:
What about z = 8?
587
256
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843 divided by 3 = 281