X-6.6=15.7
a. 9.1
b. 22.3
c. 27.3
d. 32.3

Your answer is B. :)

Step-by-step explanation:

22.3 - 6.6 = 15.7

Work check.

22.3

 6.6

  15.7

(3 gets changed to 13, so it's 13-6 which equals 7. The 2 was changed to 1 to make the 13. So, it gets turned 11-6 which equals 5. The 2 was changed to 1 to make the 11, so you bring the 1 down. Then, just bring the decimal point down and you're done.)

87%

step-by-step explanation:

apex answer