Mathematics, 29.01.2021 20:20, gunnatvinson

Tea costs $x a packets and coffee $y a packet. five packets of tea and seven of coffee cost $39.40 while three packets of tea and five of coffee cost $26.20. work out the cost of A) a packet of tea
B) a packet of coffee
C) two packets of each

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Tea costs $x a packets and coffee $y a packet. five packets of tea and seven of coffee cost $39.40 w...