Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brothe
r?
2 answers:
M = 16
16 = 4B
B = 4
(M - B) = 12 <== this will never change. Mary will always be 12 yrs older than he is.
So, when she is twice as old as he is, he is 12 and <u>she is 24</u>.
That will occur in 8 years from now.
They should live long and prosper.
Answer:
32
Step-by-step explanation:
16 times 4 is 64
64 divided by 2 is equal to 32
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