Mano 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?
2 answers
Uh anyone?
Let h stand for hours.
15h - (2*4)h = 210
Solve for h.
15h - (2*4)h = 210
Solve for h.