Jalissa bought a backpack for $30 and n notebooks for $2.50 each.

a. write a function that shows the amount jalissa spent on her backpack and n notebooks.
b. if she spent $40, how many notebooks did she buy?

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.