za 2 czekolady i 3 batony zaplacono 9,20 zl. Ile kosztowal baton, a ile czekolada jezeli baton byl o 1,10 tanszy od czekolady?
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czekolada - x
baton - y
2x+3y=9,2}
x=y+1,1 }
x=y+1,1
2(y+1,1)+3y=9,2
2y+2,2+3y=9,2
5y=7
y=1,4
x=1,4+1,1
x=2,5
x=2,5[zł] }
y=1,4[zł] }
pozdrawiam