A.B a decimal. IF the average of A and B is the decimal A.B, how much greater is A than B?
Answer Choices
a. 18
b. 20
c. 24
d. 30
2 answers
sry the question is actually tehn what is the value of A times B
(A+B)/2 = A + B/10
A/2 + B/2 = A + B/10
A/2 = 2/5 B
A = 4/5 B
A.B = 4.5
A/2 + B/2 = A + B/10
A/2 = 2/5 B
A = 4/5 B
A.B = 4.5