A laundry

Mr. Green washed 1/4 of his laundry. His son washed 3/7 of it. Who washed most of the laundry? How much of the laundry still needs to be washed?

Result

w = (Correct answer is: s) Wrong answer
x =  0.3214

Solution:

g=14=0.25 s=370.4286  g<s  w=s
x=1gs=10.250.4286=928=0.3214



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