Description:
This topic covers calculating percentages of quantities with problems like the following:  What is 25% of 300?  What percent is 6 of 18?  16 is 50% of what number? Adaptive Learning Progression: Different types of question formats are presented one by one, then mixed. 
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Sample Levels (out of 4)
Solve.
 
Solve.
 
Solve.
 
Solve.
