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February 28, 2015

February 28, 2015

Posted by **christina** on Monday, July 13, 2009 at 4:57pm.

- MATH -
**Marth**, Monday, July 13, 2009 at 5:02pmIf they have a product of 0, then at least one of the numbers is 0.

The greatest number cannot be 0, otherwise the sum would be negative.

Now, let x = the greatest number

x - 11 = the least number

x + x - 11 + 0 = 7

2x - 11 = 7

2x = 18

x = 9

The least number is 9-11, or -2.

- MATH -
**Reiny**, Monday, July 13, 2009 at 5:06pmIf their product is zero, then one of them had to be a zero

so the 3 numbers can be called x,0, and y

x+y+0 = 7 or

x+y = 7 and

x-y = 11

adding them: 2x = 18

x = 9

if x=9 then y = -2

the 3 numbers are -2,0, and 9

check: is their sum = 7 ? YES

is the largest - the smallest = 11 ? YES

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