Question 823921
How many two digit whole numbers are increased by 18 when they are reversed? What are they?
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Original 2-digit number:: 10x + y
Reversed form:: 10y + x
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Equation:
10y+x - (10x+y) = 18
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9y - 9x = 18
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y - x = 2
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y = x+2
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Ans: 
If y = 3, x = 1 ------ Number = 13
If y = 4, x = 2 ------ Number = 24
If y = 5, x = 3 ------ Number = 35
If y = 6, x = 4 ------ Number = 46
If y = 7, x = 5------- Number = 57
If y = 8, x = 6------- Number = 68
If y = 9, x = 7------- Number = 79
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Cheers,
Stan H.
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