Asked by mutaz
A number consists of two digits. The sum of twice the tens digit an 5 times the units digit is 19. If the digits are reversed, the new number is 54 less than the original number. Find the number
Answers
Answered by
bobpursley
let the number be MN digits,
2M+5N=19
10N+M+54=10M+N
2M+5N=19
9N-9M=-54
check those equations.
2M+5N=19
10N+M+54=10M+N
2M+5N=19
9N-9M=-54
check those equations.
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