Question

o portocala cantareste cat doua mandarina,iar o gutuie cat doua portocale.Stiind cacele trei fructe cantaresc la un loc 1500 grame afla cat cantareste fiecare?
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Answer 1

p=2m
g=2p=4m
p+m+g=1500
2m+m+4m=1500
5m=1500, m=1500:7=214.285  g cantareste mandarina
p=2m=428,571 g
g=2p=857,144 g

Answer 2

p=2m=>m=p/2
g=2p
p+m+g=1500
p+p/2+2p=1500
2p+p+4p=3000
7p=3000=>p=3000:7=>p=428,57 g cantareste portocala
g=2x428,57=>g=857,14 g cantareste gutuia
m=428,57:2=>m=214,28 g cantareste mandarina