Question
The ratio of Olivia's buttons to Zoe's buttons at first was 3 : 7. After Olivia gave Zoe 95 buttons, the ratio of Olivia's buttons to Zoe's buttons is 1 : 4. What was the number of buttons they had in all?
2 m

Click button first when a symbol is required. X

The ratio of Olivia's buttons to Zoe's buttons at first was 3 : 7. After Olivia gave Zoe 95 buttons, the ratio of Olivia's buttons to Zoe's buttons is 1 : 4. What was the number of buttons they had in all?