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

Question

Nana76 [90]

3 years ago

9

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?

Mathematics

2 answers:

Makovka662 [10] · Answer 1 · 2022-05-03T19:52:19+03:00

Makovka662 [10]3 years ago

6 0

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.

DENIUS [597] · Answer 2 · 2022-05-03T21:35:47+03:00

DENIUS [597]3 years ago

4 0

Answer:

32

Step-by-step explanation:

16 times 4 is 64

64 divided by 2 is equal to 32