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There were 70 concert tickets sold for $550. Each adult ticket cost $9 and each child's ticket cost $5. Find the number of adult tickets and the number of child tickets sold.


Let a = # of adult tickets sold


Let c = # of child tickets sold


Equation #1 (Quantity of Tickets Sold)


___ + ___ = 70




Equation #2 (Value of Tickets Sold)


___ + ____ = $550


Solve the system of linear equations with any method.


# of adult tickets sold: ____


# of child tickets sold: ____

Sagot :

Answer:

a= 50 c=20  50+20=70 450+100

Step-by-step explanation:

good luck on tes t man

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