英语(数学问题)帮帮我吧~~
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Mrs.
Sanford
is
three
times
as
old
as
Mrs.
Fox.
Eight
years
from
now,
Mrs.
Sanford’s
age
will
exceed
twice
Mrs.
Fox’s
age
at
that
time
by
14
years.
Find
the
present
age
of
each.
M
S
的年龄是MF的三倍。
从现在起,8年后,MS的年龄将是MF的两倍还要多14年,球两人现在的年龄
s=3f
s+8=2(f+8)+14
M
f=22,
M
s=66
Sanford
is
three
times
as
old
as
Mrs.
Fox.
Eight
years
from
now,
Mrs.
Sanford’s
age
will
exceed
twice
Mrs.
Fox’s
age
at
that
time
by
14
years.
Find
the
present
age
of
each.
M
S
的年龄是MF的三倍。
从现在起,8年后,MS的年龄将是MF的两倍还要多14年,球两人现在的年龄
s=3f
s+8=2(f+8)+14
M
f=22,
M
s=66
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