2f+10=36 Each friend gets two candy bars (2f) and there are 10 spare bars (10). If the total is 36, then he can only treat 13 friends.
Rainwater harvesting essentially means collecting rainwater on the roofs of building and storing it underground for later use. Not only does this recharging arrest groundwater depletion, it also raises the declining water table and can help augment water supply.
(x • 2) + 3 is the algebraic expression.
If the first term is 4, then it is followed by 11, 25, 53.
Simply replace the ‘x’ by whatever term is followed.
Answer:
The title of the map is very important, because it is usually the first thing a reader will notice on a map. It provides the reader with information about what is on the map (it is a map of a continent, it is a map of a country or a relief unit).