Chocolates 72154

Adam and Andrej bought sweets. Adam paid € 2.9 for three chocolates and 2 bars, and Andrej paid € 4 for four chocolates and 3 bars. How much did the chocolate cost, and how much did the bar cost?

Correct answer:

c =  0.7 eur
t =  0.4 eur

Step-by-step explanation:

2.9=3c+2t 4=4c+3t  2.9=3 c+2 t 4=4 c+3 t  3c+2t=2.9 4c+3t=4  Pivot:Row1Row2 4c+3t=4 3c+2t=2.9  Row243 Row1Row2 4c+3t=4 0.25t=0.1  t=0.250.1=0.4 c=443t=443 0.4=0.7=0.7 eur  c=107=0.7 t=52=0.4



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