A spinner is divided into many sections of equal size. Some sections are red, some are blue, and the remaining are green. The pr
obability of the arrow landing on a section colored red is 9/20. The probability of the arrow landing on a section colored blue is 6/20. What is the probability of the arrow landing on a green-colored section A. 15/20
B. 11/20
C. 6/20
D. 5/20
Regrouping in subtraction means that if you can't subtract because the digit on the bottom has a greater value than the digit on the top (such as 3-6)m so in this case you would have to regroup twice.
