SOLUTION: Michael is 12 years older than Brandon. Seventeen years ago, Michael was 4 times as old as Brandon. How old is Michael now? Hi! i tried to and came out with m= b+ 12

Algebra.Com
Question 1044042: Michael is 12 years older than Brandon. Seventeen years ago, Michael was 4 times as old as Brandon.
How old is Michael now?
Hi! i tried to and came out with
m= b+ 12 m being michael's age and B being Brandon's age
m= 4b + 17
I dont know where else to go with these. they could be wrong
thank you so much for your help!!

Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
             NOW        NOW-Described       Seventeen Years Ago

Michael      m           m=b+12             m-17

Brandon      b                              b-17


What does the description say?
first sentence.

Second Sentence?
Michael WAS 4 times as old as Brandon.
WHEN? Seventeen years ago.
.

The system of equations is .





-
, through substitution from the first equation





-

Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

Michael is 12 years older than Brandon. Seventeen years ago, Michael was 4 times as old as Brandon.
How old is Michael now?
Hi! i tried to and came out with
m= b+ 12 m being michael's age and B being Brandon's age
m= 4b + 17
I dont know where else to go with these. they could be wrong
thank you so much for your help!!
m = b + 12 ----- Correct      m = 4b + 17 ----- Incorrect
b = m - 12 ------- eq (i)
m - 17 = 4(b - 17) ------ eq (ii)
m - 17 = 4(m - 12 - 17) ----- Substituting m - 12 for b in eq (ii)
m - 17 = 4(m - 29)
m - 17 = 4m - 116
m - 4m = - 116 + 17
- 3m = - 99
m, or Michael is:
RELATED QUESTIONS

Michael is 4 times as old as Brandon and is also 27 years older than Brandon. How old is... (answered by TimothyLamb,MathTherapy)
Michael is 3 times as old as Brandon. 18 years ago, Michael was 9 times as old as... (answered by jorel555,Fombitz)
Michael is 3 times as old as Brandon. 18 years ago, Michael was 9 times as old as... (answered by jorel555,advanced_Learner,ikleyn)
Brendan is 4 years older than michael. 17 years ago Brendan was 3 times as old as... (answered by Fombitz)
Luis is 28 years younger than Michael. Michael and Luis first met 3 years ago. Seventeen (answered by ewatrrr)
Michael is 6 years older than Vanessa. Seven years ago, Michael was 3 times as old as... (answered by htmentor)
Michael is 8 years older than Emily. Four years ago, Michael was 3 times as old as Emily. (answered by oscargut)
Michael is 30 years older than his daughter. In five years' time, Michael will be 4 times (answered by richwmiller)
Michael is 5 times as old as Omar. Four years ago, Michael was 7 times as old as Omar. (answered by ewatrrr)