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MBMT Guts Rounds
2015.7
2015.7
Part of
MBMT Guts Rounds
Problems
(1)
MBMT Guts #7
Source:
3/29/2015
If
x
+
y
=
306
x + y = 306
x
+
y
=
306
and
x
y
=
7
10
\frac{x}{y} = \frac{7}{10}
y
x
=
10
7
, compute
y
−
x
y - x
y
−
x
.