a snail was at the bottom of a well in the first ten minutes the snail climbed 2 and 7/12m in the next ten minutes it climbed 1 and 5/7m how far was the snail from the bottom of the well after 20 minutes?
2 7/12 + 1 5/7
= 2 49/84 + 1 60/84
= 3 109/84
= 4 25/84