Level 3
Fill in the blanks in units (Eg 3 u) or unit equations (Eg 1 u + 2).
Adam, Bryan and Chris have some stickers.
After Adam's number of stickers is doubled,
Bryan's number of stickers is increased by 10 and
Chris' number of stickers is reduced by 8,
the ratio of the number of stickers of Adam to Bryan to Chris becomes 4 : 2 : 1.
Let the number of stickers that Chris has in the end be 1 u.
- Number of stickers that Adam has at first = _____
- Number of stickers that Bryan has at first = _____
- Number of stickers that Chris has at first = _____
- Total number of stickers that they have at first = _____