document.write( "Question 710743: I am a two-digit number. You can count to me by 4's plus 3 or by 5's plus 3. What is the smallest number I can be? How many different numbers can I be? Explain your answers. \n" ); document.write( "
Algebra.Com's Answer #437260 by KMST(5328)\"\" \"About 
You can put this solution on YOUR website!
I believe the problem means that if you count by 4's for a while and then add 3, you get to the number,
\n" ); document.write( "and if you count by 5's for a while and then add 3, you also get to the number.
\n" ); document.write( "In both cases, before adding 3, you had arrived to a number that was a multiple of 4, and a multiple of 5.
\n" ); document.write( "The smallest such number is \"4%2A5=20\" , and adding 3 to \"20\" we get
\n" ); document.write( "\"20%2B3=highlight%2823%29\"
\n" ); document.write( "That is the smallest number that you can arrive to by
\n" ); document.write( "counting by 4's and adding 3,
\n" ); document.write( "and also by counting by 5's and adding 3.
\n" ); document.write( "The other larger such numbers are any multiple of \"20\" plus 3
\n" ); document.write( "\"2%2A20%2B3=40%2A3=highlight%2843%29\"
\n" ); document.write( "\"3%2A20%2B3=60%2A3=highlight%2863%29\" and
\n" ); document.write( "\"4%2A20%2B3=80%2A3=highlight%2883%29\"
\n" ); document.write( "The next such number,
\n" ); document.write( "\"5%2A20%2B3=100%2A3=103\" , is not a two-digit number.
\n" ); document.write( "So the number in the problem can be any of those 4 numbers:
\n" ); document.write( "23 (the smallest), or 43, or 63, or 83.
\n" ); document.write( "
\n" );