Level 2
Mark and Nick shared some beads in the ratio of 4 : 7. After both each gave away 47 beads to their younger brother, the ratio of the number of beads Mark had to the total number of beads left was 1 : 3. How many beads did the two boys have at first?
Level 2
Fill in the blanks.
Adam has twice as many stickers as Bryan.
Both give away 10 stickers each.
In the end, Adam has thrice as many stickers as Bryan.
Difference in the number of stickers between Adam and Bryan = _____ u
Number of stickers that Adam and Bryan have in the end = _____ u