Answer:
option A, the pen cost less than $0.35
I hope this is helpful :)
The equation can be (3450-1000)<span>÷7=350.</span>
Well you basically use rise/run so basically you choose two points on the line and you count how many squares it goes up until its on the same line as the other point and then you count how many squares to the side to get to the other point so rise/run ill explain it a lil better