Two melons

There are 2 melons in the box. Together they weigh 11kg. The weight of green is 3 kg less than three times the weight of yellow. What is the weight of a green melon?

Correct result:

x =  7.5 kg

Solution:


x+y = 11
x = 3•y-3

x+y = 11
x-3y = -3

x = 152 = 7.5
y = 72 = 3.5

Our linear equations calculator calculates it.



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