Respuesta :

Answer:

Step-by-step explanation:

A pineapple costs $4.99

Togther one banana and one pineapple cost the same as 13 banana

Let cost of banana be x

Cost of banana + cost of pineapple is equal to 13 bananas

x + 4.99 = 13x

4.99 = 13x - x

4.99 = 12x

x = 4.99/12

x = $0.42

A banana cost $0.42