Homework Help: math

Posted by Maria on Monday, August 27, 2012 at 10:01pm.

ann wrote a three digit number. the digit inthe hendreds place is 4 less than the digit in the ones place. the digit in the tens place is two more than the digit in the ones place.the sum of the three digits is 16. what is the three digit number?

math - Charrice, Monday, August 27, 2012 at 10:25pm
Let x = number in ones place
Let x + 2 = number in tens place
Let x - 4 = number in hundreds place
add all and set equal to 16
x + x+2 + x-4 = 16
x + x + x = 16 -2 + 4
3x = 18
divide both sides by 3
3x/3 = 18/3
x = 6

Answer = three digit number is 286

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