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Wanja bought 2kg of peas @ sh 80, 3kg of maize @sh 60and 10kg of potatoes for sh.100. If Wanja spend sh. x to buy the peas, sh y to buy
the maize and sh z to buy the potatoes, which one of the equations below represents the total amount of money spent by Wanja?
A. x+y+z=440
B. x+y+z=240
C. x+y+z=340
D. x+y+z=1340