8 friends decides to eat pizza. 4 friends eat type 1 pizza which cost 100 each. Remaining friend buy pizza having off on it and saves 100 and each of them pay equal money .Total bill is 800. what is % of off on each pizza.	Choose the most appropriate option
A) 20%	B) 30%	C) 10%	D) 15%	E) 25%
Solution: A.8 friend = 800. per friend 100. Saves 100 and each of them paid 100 and saved   100/4= 
<gadget id="calculator">  100/4</gadget>
<output>25</output>
25. so pizza had a 20% off
<result>A</result>
8 friends decides to eat pizza. 4 friends eat type 1 pizza which cost 100 each. Remaining friend buy pizza having off on it and saves 100 and each of them pay equal money .Total bill is 800. what is % of off on each pizza.