Question

Find the difference: 12 – 20.5
A.


–32.5


B.


–8.5


C.
8.5


D.
32.5

Answer 1

12-20.5.
find 20.5-12=8.5
since 12<20.5
result will be negative
-8.5 option B

Answer 2

for easy way to get used to it, just do 20.5 -12 first and u get 8.5, then add a subtract sign infront to be -8.5. i am sure u will get use with them soon enough ^^

Answer 3

B. -8.5

Answer 4

B. -8.5