Question 808523: Greg is 18 years older than his sister. In 6 years he will be twice as old as her. How are are both of them now
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! g = s + 18
g + 6 = 2(s + 6)
---
g + 6 = 2s + 12
g = 2s + 6
s + 18 = 2s + 6
Answer:
s = 12
g = 30
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php
|
|
|
