7 pens and 2 pencils costs £22.
3 pens and 4 pencils costs £11.
Find the cost of a pen.
Find the cost of a pencil.
Answers
Answered by
23
Answer:
Step-by-step explanation:
multiply by two second eqation
7pen+2pencil = 6pen+8pencil
1 pen = 6pencil
from 1st equation
14pencil+2pencil=22
1pencil = 22/16
then 1 pen = 22*6/16
Answered by
12
Answer:
Step-by-step explanation:
Attachments:
Similar questions