Answer:
£41.20
Step-by-step explanation:
Pack of 10 x 8 = 80
(I got the 8 from 84)
80 divided by 2 = 40
then all you need are 4 pencils = 1.20
40 + 1.20 = 41.20
Hope this makes sense aha, if it doesn't just contact me :) xx
