50 is the value cause 20 is 40 of the percent, 20+20 is 40 now you made it into 80%.20% is remaining so add 10.
Answer:
8
Step-by-step explanation:
hope this is right????
im not sure if i did it correctly but i tryed
Answer:
2/3 b +1/3 a
Step-by-step explanation:
b+ 1/3(-b+a)
= b - 1/3b + 1/3a
= 2/3 b +1/3 a
I hope this was helpful, please mark as brainliest
