Posted by **Kathy** on Wednesday, August 31, 2011 at 8:13pm.

What is the number between 149000 and 150000 which has a tens digit that is 7 more than its ones digit. The sum of the tens ans ones digit is 9 and the hundreds digit is zero

- Math -
**Reiny**, Wednesday, August 31, 2011 at 8:36pm
Since the hundreds digit is zero, we just have to concentrate on the last two digits.

let the unit digit be x

then the tens digit = x+7

x+x+7 = 9

2x=2

x=1

the unit digit is 1, the tens digit is 8 and our number is

149081

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