SOLUTION: Justin is making snowballs to build a fort on the winter break. Justin can build 15 snowballs in an hour but 2 snowballs melt every 15 minutes. How long will it take him to bui

Question 490187: Justin is making snowballs to build a fort on the
winter break. Justin can build 15 snowballs in an
hour but 2 snowballs melt every 15 minutes. How
long will it take him to build 210 snowballs?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = total snowballs after hours making them

Note that is the number of 15 minute periods in hours

It will take him 30 hours
check:

OK
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