125
+32
————
157 is correct because since there is no value in the hundredths besides the 1 the value remains the same (100), then 2+3=5, lastly 5+2=7.
To check (or another way to solve) is to start with the total 157 and subtract either 125 or 32 to get the opposite number!
157-125=32 or 157-32=125
