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In a carton, 4 out of 20 glasses are cracked. What percent of the glasses are NOT cracked?
Arithmetics
Sean_Mason
Sean_Mason - 29.02.2016 12:28In a carton, 4 out of 20 glasses are cracked. What percent of the glasses are NOT cracked?
Patrick_Attwood - 29.02.2016 12:31Most of the information's that are required for solving this question is already given. The answer is 80%. 20 glasses out of 20 glasses is 100%. If 4 glasses are broken, that is 20%. 100% — 20% = 80%
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