Question

find the ratio between the cost of a pencil to that of a ball pen when the pencils cost $16 per score and the ball pen cost $16 per dozen




tell right answer with process​

Answer 1

Step-by-step explanation:

cost of one pencil = 16/20 = 0.8

cost of one ball pen = 16/12 = 1.3

Ratio = cost of one pencil / cost of one ball pen

= 0.8 / 1.3 = 8/13 = 8:13