Question
A box contains some purple, grey and brown lollipops. The ratio of the number of purple lollipops to the number of grey lollipops is 7 : 5. The ratio of the number of grey lollipops to the number of brown lollipops is also 7 : 5. What is the ratio of the number of purple lollipops to the number of brown lollipops in the box?
2 m

Click button first when a symbol is required. X

A box contains some purple, grey and brown lollipops. The ratio of the number of purple lollipops to the number of grey lollipops is 7 : 5. The ratio of the number of grey lollipops to the number of brown lollipops is also 7 : 5. What is the ratio of the number of purple lollipops to the number of brown lollipops in the box?