Devon purchased tickets to an air show for 9 adults and 2 children. The total cost was $192. The cost of a child's ticket was
$3 less than the cost of an adult's ticket. Find the price of an
adult's ticket and a child's ticket.
Pls help I’ll give you brainliest I’m just trying to graduate

18$ per adult, 15 per clild

Step-by-step explanation:

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step-by-step explanation:

consider the parallelogram shown in the attached image.

in the parallelogram hijk, the length of hk is given as,

from the properties of parallelogram we know that the opposite sides of a parallelogram are parallel to each other and are equal in measure.

therefore, the length of the side ij must be equal to the length of the side hk and that is .

hence, the expression for the length of ij confirms that hijk is a parallelogram.