sir/maam

Asked by  | 3rd Jul, 2009, 08:12: PM

Expert Answer:

o.k.

so now the eqns become

100u+30v=6

75u+75v=8

so multiplying the first eqn by 5 and second eqn by 2

 we get

500u+150v=30

150u+150v=16

subtracting we get,

350u=14

so

u=1/25

and

v=1/15

so

x+y=25

x-y=15

again solving,

we get,

x=20

y=5

Answered by  | 3rd Jul, 2009, 09:57: PM

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