exam
Maths Puzzle
Numerical Ability
the sum of the digits of a two-digit nimber is 12. the value of the number is five more than 10 times the tens digit. find the number
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right now were doing matrices and i was wondering if i got the answer right the problem is
and this is the answer i got:
[1 2 3] [ 0 -1 2
5.7d=3.2d-8