Jon ate too many holiday cookies and gaines 2.2 kilograms in December. Then he went on a diet and lost 1.5 kilograms in January. Then he lost another 3.7 kilograms in February. Jon wants to know what the total change in his weight was over these three months. WICH OF THE FOLLOWING EQUATIONS MATCHES THE SITUATION ABOVE?

A.) 2.2+(-1.5)+(-3.7)=?

B.) 2.2+1.5-3.7=?

c.) None of the above