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Children and Adult Ticket Sold Interactive Calculator

X + Y =

Equation 1


X + Y =

Equation 2


number of children, X =

number of adults, Y =

IMPORTANT to enter 1 if there is no constant on X and Y. For negative number enter the negative sign, for example, -1. Do not include the comma symbol , because it will display Not a Number (NaN) error message.




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Calculator / Formula / Equations