Answer:
sorry but you can write question instead of writing that because some of you may know that but others donot knew it
Well he wants to buy 100 blue balloons so that would cost 100*0.6. The cost of white balloons(because they are half off) are w*0.3. He has a total of 150 dollars to we get 100*0.6+w*0.3=150 or 60+0.3w=150
Thus we get c
A because its twice bigger than the real one
