solve for x and y by using method of substitution 0.2x+0.3y=1.3 , 0.4x+0.5y=2.3.....
i understand whole question becz i have already searched on brainly...
but 1 thing is similar that everyone is multiplying by 10 tell me why we multiply 10
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Step-by-step explanation:
your answer
0.2×+0.3y = 1.3
,,0.5+89
=68
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