2.1-1=1.1
5
-1.2
it is .5
To calculate the pressure differential between two points, you subtract the pressure at one point from the pressure at the other point. This difference in pressure is the pressure differential.
1.25 - 0.50 = 0.75 ■
two thirds
One quarter is two eighths, so five eighths subtract two eighths is three eighths.
When you subtract one number from another you get the difference.You just said it; sum.
0.8
two and one half
Subtract two, multiply by two, subtract one. :)
1989