Answer:
16
Step-by-step explanation:
x=16 pens
open the bracket
6={(1/5×4y) + 1/5×10}
6=4/5y+2
6-2=4/5y
4=4/5y
divide both sides by 4/5
y=1/5
Y=60°
...............
Answer: Josh don't have enough time :/
Well I don't know if you are looking for the variable but here it is :)