An adult ticket costs $3 more than a children's ticket when 200 adults tickets and 100 children's tickets are sold the total revenue is $2100 what is the cost of the children's tickets

idk

step-by-step explanation:

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )

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step-by-step explanation:

is there more info provided? there is not enough information given in the problem