SOLUTION: a 2 digit number is 4 times the sum of the digits. the ones digit is 4 more than the tens digit. what is the original number
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Question 567016: a 2 digit number is 4 times the sum of the digits. the ones digit is 4 more than the tens digit. what is the original number
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
a 2 digit number is 4 times the sum of the digits. the ones digit is 4 more than the tens digit. what is the original number
**
let u=units digit
let t=tens digit
u=t+4
10t+u=4(t+u)
10t+t+4=4t+4u
10t+t+4=4t+4(t+4)
10t+t+4=4t+4t+16
3t=12
t=4
u=t+4=8
original number=10t+u=40+8=48
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