30 eggs

There are 30 eggs in a tray. If 1/2 of the tray used 1/5 of it cooked,1/3 kept the refrigerator, how many eggs were left?

Correct answer:

x =  8

Step-by-step explanation:

x1=3030 12=15  x2=x1x1 15=1515 15=12 x=x2x2 13=1212 13=8

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