Question

the cost of a gell pen and a ball pen are in rato of 7:5 .If their total cost is. 48 . find the cost of each.​

Answer 1

Answer:

answer is 28 and 20

Step-by-step explanation:

let the gel pen and a ball pen be 7x and 5x

now ,

according to question

7x+5x=48

12x=48

x=48/12

x=4

gell pen is 7x=7×4=28

ball pen is 5x=5×4=20