document.write( "Question 1174861: A number is less than 400. The tens digit is 2 more than the ones digit. The hundreds digit is 1 more than the tens digit. What is the number?
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Algebra.Com's Answer #800430 by greenestamps(13203)\"\" \"About 
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\n" ); document.write( "The statement of the problem suggests that there is only one number that satisfies the condition of the problem.

\n" ); document.write( "From the wording of the problem, we know the units digit is the smallest. So start with the smallest possible units digit, which is 0.

\n" ); document.write( "That makes the tens digit 0+2=2; and that makes the hundreds digit 2+1=3. That gives us the number 320.

\n" ); document.write( "And we can see that, if we had started with any digit greater than 0 for the units digit, we would have ended up with a number greater than 400.

\n" ); document.write( "So 320 is the only number that satisfies all the conditions.

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