8 pencil and 10 pen costs 122, 6 pencil and 8 pen costs 132, find the cost of one pen?
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8x + 10y=122
6x + 8y =132
multiply 8on 1st
by 10 in 2nd
64x+80y =976
60x+80y =1320
solve by elimination method
the ans which uh will gt will be in x thn u hv to put the valuue in 1st or 2nd equation ..it depends on uh the ull gt d cost of this ans
thnx
hope dis hlps uh
6x + 8y =132
multiply 8on 1st
by 10 in 2nd
64x+80y =976
60x+80y =1320
solve by elimination method
the ans which uh will gt will be in x thn u hv to put the valuue in 1st or 2nd equation ..it depends on uh the ull gt d cost of this ans
thnx
hope dis hlps uh
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