Asked by jenny
` a four digit number between 12 and 13 has an odd number in the hundredth place and an even number in the tenths place. the hundreths digit is greater than the tenths digit. the sum of the tenths and hundreths digits is 9. what are possible four-digit numbers?
Answers
Answered by
Reiny
so the number would look like
12.ab
given: a+b = 9
b is odd, a is even, b>a
easy to see that a=4, b=5
or
a = 2 , b = 7
or, if we count 0 as even
a = 0 , b = 9
12.45
12.27
12.09
12.ab
given: a+b = 9
b is odd, a is even, b>a
easy to see that a=4, b=5
or
a = 2 , b = 7
or, if we count 0 as even
a = 0 , b = 9
12.45
12.27
12.09
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