3. Tickets to the zoo cost $7.00 for children and $12.00 for adults. The school has a budget of $240 for the field trip. The equation for the situation is given below where x represents
the number of children and y represents the number of adults going to the zoo.
7x + 12y = 240
What does the expression 7x represent - choose the best answer.
a. That each child ticket costs $7.
b. Cost of all the tickets purchased at the zoo
c. Cost of all the children tickets purchased at the zoo.
d. That all the children love the zoo.