The coloring takes 2*.3=<<2*.3=.6>>.6 hours less than the drawing

So it takes 2-.6=<<2-.6=1.4>>1.4 hours per picture

So it takes him 2+1.4=<<2+1.4=3.4>>3.4 hours per picture

That means it takes 3.4*10=<<3.4*10=34>>34 hours

# Answer

34
Question:
John decides to take up illustration.  He draws and colors 10 pictures.  It takes him 2 hours to draw each picture and 30% less time to color each picture.  How long does he spend on all the pictures?
Answer:
Let's think step by step.

user
34
John decides to take up illustration.  He draws and colors 10 pictures.  It takes him 2 hours to draw each picture and 30% less time to color each picture.  How long does he spend on all the pictures?
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