SOLUTION: Caroline can sketch 7 cartoon strips in 2 hours .how long will it take her to sketch 21 strips ?

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Question 1129058: Caroline can sketch 7 cartoon strips in 2 hours .how long will it take her to sketch 21 strips ?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+7%2F2+ is her rate of sketching
[ number of strips sketched ] / [ rate of sketching them ] = { time to sketch them ]
+21+%2F+%28%28+7%2F2+%29%29+=+21%2A%28+2%2F7+%29+
+21+%2F+%28%28+7%2F2+%29%29+=+6+
6 hrs