Problema Solution
the teenagers in a youth group are going to share the cost of some pizzas. The original cost was $6 per person, but 5 teenagers couldn't stay to eat. so the cost went up to $8 per person for the same total cost. how many teenagers were originally going to split the pizza?
Answer provided by our tutors
let x = the number of teenagers originally going to split the pizza
6x = 8(x - 5)
by solving we find
x = 20 teenagers
click here to see the step by step solution of the equation
indeed
6*20 = 120
8(20-5) = 8*15 = 120
there were 20 teenagers originally going to split the pizza.