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algebra ia week 8 hw

 
 
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algebra ia week 8 hw
by Amy T - Tuesday, July 30, 2019, 7:51 PM
 

Peter can paint a wall in 4040 minutes and John can paint the wall in 6060 minutes. If they work together for 1212 minutes, what percentage of the wall is left unpainted? Round your answer to the nearest percent.

 
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Re: algebra ia week 8 hw
by David Reynoso - Wednesday, July 31, 2019, 10:52 PM
 

What fraction of the wall can Peter paint in $1$ minute? What about John? Use these answers to figure out what fraction of the wall they can paint together in $1$ minute. 

 
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