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anonymous
 5 years ago
the sum of the digits of twodigit number is 15. if the digist are reversed the new number is 27 less than the original number. Find the original number
anonymous
 5 years ago
the sum of the digits of twodigit number is 15. if the digist are reversed the new number is 27 less than the original number. Find the original number

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Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0let's say that the 10th digit is a and the units to be b

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0our two digit number can be represented as 10a + b

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0so if you reverse the order it becomes 10b + a

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0the new one is 27 less than the original number, so your other equation will be 10b+a = 10a+b 27

Yuki
 5 years ago
Best ResponseYou've already chosen the best response.0now that you have two equations with two unknowns, you can solve for the system of equations.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0please help me with the answer :(

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0the two eqs are a+b=10 10b+a10ab=27 9a9b=27

radar
 5 years ago
Best ResponseYou've already chosen the best response.0which is it a+b=15 or a+b=10?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Did you guys find the number?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0a+b=15 9a9b=27 are the two eqs solving the two eqs... a=6 n b=9

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0So, the original number is 96.

radar
 5 years ago
Best ResponseYou've already chosen the best response.0Looks like a good Bingo lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0but as yuki took the places of digits,,10a+b gives 69:S

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i guess second eq should be 10b+a+27=10a+b ???

radar
 5 years ago
Best ResponseYou've already chosen the best response.0I gave yuki a medal anyway

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0n u know i made mistake in solving a qs too :P

radar
 5 years ago
Best ResponseYou've already chosen the best response.0It is the spirit of the effort that counts.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0right...but it surly confuses the one who posts the question

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thank you guys u are life saaaavvveeeerrrssss
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