SOLUTION: A girl has eaten 60% of a cake? What fraction of the cake has she eaten? What percentage of the cake left?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: A girl has eaten 60% of a cake? What fraction of the cake has she eaten? What percentage of the cake left?      Log On


   

Question 1064412: A girl has eaten 60% of a cake?
What fraction of the cake has she eaten?
What percentage of the cake left?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
To get 60% as a fraction, divide by +100+
+60%2F100+=+6%2F10+
and
+6%2F10+=+3%2F5+
She ate 3/5 of the cake
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To get the percent of the cake left, subtract
+60+ from +100+
Note that 100% means the whole cake
+100+-+60+=+40+
40% of the cake is left