Answer:
A. 15
Step-by-step explanation
Subtract "IJ" From "HJ" until it equal the equation of "HI"
If that didn't make sense, 2 x 15 = 30, -4= 26 then subtract 26 from 124, and you get 98, now take 6 x 15 which equals 90, then add 8 which equal 98, that is also the answer of 124-26.
