SOLUTION: I take a chocolate bar from the refrigerator, eat 2/3 of it and return the rest. What portion remains? My friend takes out this portion and eats 2/5 of it. What portion of the o

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: I take a chocolate bar from the refrigerator, eat 2/3 of it and return the rest. What portion remains? My friend takes out this portion and eats 2/5 of it. What portion of the o      Log On

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Question 996695: I take a chocolate bar from the refrigerator, eat 2/3 of it and return the rest. What portion remains? My friend takes out this portion and eats 2/5 of it. What portion of the original bar did he eat? How much of the original bar is left?
Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
Take the process one step at a time.

Eat 2%2F3 of 1; 1%2F3 is still.

Eat 2%2F5 of 1%2F3; there still is 3%2F5 of 1%2F3 not yet eaten. This not-yet-eaten part is what remains of the original 1 bar.

Final calculation: highlight%28%283%2F5%29%281%2F3%29=highlight%281%2F5%29%29