Answer: an=8+(n-1)(-6) .
Step-by-step explanation:
Y=mx+b so this means you’ll get the correct answer
3:5=x:50
Therefore 5 ×x = 50
x = 10
Therefore 3 × 10 = 30
therefore 30 blue pens
proof = 30 blue + 50 red= 3+ 5
therefore 80 = 8x
Multiply first then you would wanna add but you can't until you subtract 5-3 then add I got 12