Answer:
B
Step-by-step explanation:
180-130=50
180-50=130
130:2=65
I belive the answer is d I think I am studying the same thing also
Your answer is 110. You take 10 and divide it by 750. = 75 then you take 75. Divided 8250. = 110
Answer:
Age= 15
Step-by-step explanation:
Let a be for age at the moment
(a-3)^2 =6(a+9)
a^2-6a+9=6a+54
a^2-12a-45
(a-15)(a+3)
a=15 or a=-3
Age cannot be negative (-)
Therefore
Age =15
