Answer:
y = (5 x 15) + ( 40 x 15 )
y = 45 x 15
answer is 675 total though
Explanation:
y is the total amount and is equals to 675
15 is the amount of students
5 is the bus fair
and 40 is the park day fair
so you have to multiply 40 and 5 to the amount of students which is 15.