Cost of Pizza Donut and Cake puzzle
What is the cost of buying a pizza,
a doughnut, and a piece of cake together ?
Pizza + Donut = $11.00
Pizza + Cake = $13.00
Donut + Cake = $3.00
Pizza + Donut + Cake = ?
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Answer is $13.5Explanation :
Add all the 3 given equations,
we get ,
2 Pizza + 2 Donut + 2 Cake = $27
So,
Pizza + Donut + Cake = $27/2 = $13.5