SOLUTION: A two-digit number is 4 times the sum of it's digits. The difference of the digits is 4. What is the number?
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Question 484946: A two-digit number is 4 times the sum of it's digits. The difference of the digits is 4. What is the number?
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
Let xy is a number then we can write it
The sum of digits is , the number is 4 times the sum of it's digits, so
The difference of the digits is 4, so
The sustem
.
1.
exterior root
.
2.
The number is 48
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