I need another help for my homework feel free to help :) (Consists of 3 questions)
1.A group of x adults and y children attend a concert. Each adult ticket costs €40, and each child ticket costs €15.
Write an expression to represent the total cost for the group.
Find the total cost if:
i. x = 2 and y=2
ii. x= 4 and y = 7
2.Simplify 3x^2 – 5y^2 – 2y - (3x^2 - 5y + xy) and find the value of the result if x = 2, y -1 !
3. If the sum of the smallest and largest of three consecutive even numbers is 36, what is the value of the second largest number in the series ?