($$1$$ to $$200$$)$$=$$($$1$$ to $$100$$)$$+[(100+1)+(100+2)+\cdots +(100+100)]=$$($$1$$ to $$100$$)$$+[(100\times 100)+$$($$1$$ to $$100$$)$$]=5050+[10000+5050]=20100$$. 
The sum of the whole numbers from $$1$$ through $$100$$ is $$5050$$. What is the sum of the whole numbers from $$1$$ through $$200$$? 
a. $$5150$$ 
b. $$10100$$ 
c. $$11050$$ 
d. $$20100$$ 