40+20m=41 subtract 40 from both sides
20m=1 divide both sides by 20
m=1/20
m=5/100
m=$0.05 per minute (5 cents per minute)
It's 3, the third number, 6 would be the tenth place ect.
The answer is “A” as when the width is multiplied by the row foot, you get approximately 3 times the amount.
I hope that’s correct and I hope I could help :)
A associative property of multiplication