Question

Question 4 Unsaved The price of a movie ticket is $8 for an adult and $5 for a child. The following equation represents the total cost, c, of buying x number of adult tickets and y number of child tickets. c=8x+5y Which equation can be used to find the number of child tickets purchased if you know the total cost and the number of adult tickets purchased? Question 4 options: y=c−8x5 y=c+8x5 y=5c−8x y=c−40x

Answer 1

The equation $c=8x+5y$ represents the total cost, c, of buying x number of adult tickets and y number of child tickets.

Express $5y:$

$5y=c-8x.$

Now divide this equation by 5:

$y=\dfrac{c-8x}{5}.$

Answer: correct choice is A