Answer:
a + b = 28
b = 31
Step-by-step explanation:
i hope it's correct but I am not sure tho :)
I think that the answer is a increase
Subtract -3-5 use Keep Change-Change
keep -3
change the - into a +
change 5 into -5
so... -3 + -5 is -8
-8 is the answer
Answer:
153
Step-by-step explanation: 20 x 2 + 5 x 2 + 3 x 1+ 100
