Question

A person spent 564 in buying pens and pencils if cost of each pen is 7 and each pencil is 3 and if the total number of things bought was 108, how many of each type did he buy?​

Answer 1

60pens and 48pencils.

Explanation:

let the number of pens be x

and the number of pencils be y

x+y=108

7x+3y=564

x=60

y=48

so he buy 60pens and 48 pencils.