Question

Jamie is selling tickets at a whale watch at a local beach.The tickets cost $24.40 for an adult and $14.50 for a child.Jamie earns a 30% commission on all ticket sales.Write an expression using parentheses to represent how much Jamie earns from selling tickets,where a is the number of adult tickets c is the number of children tickets sold.Use the distributive property to simplify the expression.please explain too :D

Answer 1

30% = .3

.3(24.40a + 14.50c)

24.40 = cost of adult ticket
14.50 = cost of child ticket
a = # of adult tickets sold
c = # of child tickets sold

.3 * 24.40a + .3 * 14.50c
answer: 7.32a + 4.35c