Posted by Darlene on Wednesday, February 20, 2013 at 7:02pm.
the number of photos taken is a twodigit number. the sum of the number is 11. The tens digit is 3 more than the ones digit. How many photos were taken

Math  Ms. Sue, Wednesday, February 20, 2013 at 7:06pm
Numbers that add up to 11:
29, 38, 47, 56, 65, 74, 83, 92

Math  JJ, Wednesday, February 20, 2013 at 7:06pm
tens digit + ones digit = 11
tens digit = 3 + ones digit
t + x = 11
t = 3 + x
substitute: 3 + x + x =11
3 + 2x = 11
Solve for x which represents the one's digit. Then find the tens digit.

Math  Nancy, Wednesday, May 27, 2015 at 7:24am
47
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