You can solve this problem the same way I solved the last problem for you.
I'll be glad to check your answer.
George and Cindy are saving for bicycles. Cindy saved $10 less than twice as much as George saved. Together, they have saved $140. How much did each of them save?
2 answers
Use variables with c for Cindy and g for George. Play with it and find an equation you can work with. Maybe find g in terms of c.