Answer:
32
Step-by-step explanation:
80 x 40 = 3,200
3,200 / 100 = 32
name the points
a=(x1,y1) b=(x2,y2)
a=(6,8) b=(9,10)
use the slope formula

replace

answer= The slope is equal to 2/3
a=(9,10) b=(6,8)
using the formula

slope will also be 2/3
Answer:
Take the amount spent and subtract it from the amount made to find profit/loss
3/4 is greater than 2/5. 2/5 is .4 and 3/4 is .75