SOLUTION: Serena asked her parents if for their picnic they could have 20% more portions of coca-cola than they planned, and if each portion could be 20% bigger. Her parents agreed. By what

SOLUTION: Serena asked her parents if for their picnic they could have 20% more portions of coca-cola than they planned, and if each portion could be 20% bigger. Her parents agreed. By what

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Question 1083309: Serena asked her parents if for their picnic they could have 20% more portions of coca-cola than they planned, and if each portion could be 20% bigger. Her parents agreed. By what percent more coca cola will they buy?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
It is 1.2*1.2, which is 20% more of 20% more=1.44 or 44% more altogether.
10 of 10 dl each would become 12 or 12 dl or 144 dl.
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