The cost of a DVD box set increased from $30 to $35. A student says that this represents a 5% increase in the price. Explain the student’s error. What is the actual percent increase? A. The student used the difference as the percent increase. The actual percent increase is about 105%.
B. The student used the difference as the percent increase. The actual percent increase is about 17%.
C. The student forgot to add 100% for the original price. The actual percent increase is 105%.
D. The student forgot to add 100% for the original price. The actual percent increase is 117%.