<span>Brenda would be correct, another way to find the answer would be to use the keep change flip method. Where you keep 5/2 change division to multiplication then flip 4/1.
The equation would then be 5/2 * 4/1 then you just multiply straight across 5*4 = 20 and 2*1 equals 2. You end up with 20/2 which reduces to 10</span>
I really gave him a piece of my mind
You should first find out what lines are what,
Like for example, If you had 5 - 10 - 15 as the Y Lines and the bar was between 5 and 10 then your best bet would be to estimate what the middle of 5 and 10 is which would be 7 or 8.
If the question is 40 -
, then you would do 16 ÷ 4 = 4, and then 40 - 4 = 36.
If the question is
, then you divide both 40 and 16 by 4, to get 10 - 4 = 6.
I hope this helps!