army public
posted by shanzay on .
a snail climbs 20meters tall tree.everyday,he climbs 5m up and slip 2m down in. how many days will he clib the tree"

Please put your school subject in the School Subject box.
+5  2 = +3 per day
x = number of days
3x = 20
x = 6.67 days or 7 days