The Gonzalez family attended a concert and visited an art museum. Concert tickets were $24.75 for adults and $16.00 for children, for a total cost of $171.75. Museum tickets were $8.25 for adults and $4.50 for children, for a total cost of $54.75. How many adults and how many children are in the Gonzalez family?

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step-by-step explanation:

1/2*qr*rs

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.