, On this question page there are two questions with input boxes and a try button. Once you press the try button, if your answer is correct, a double number line will appear with another input box on it to fill in, followed by a try button. Continue filling in input boxes and pressing the try button until the double number line is completed and the submit answer button appears.
Find 50% of 128:
number
percent
0
0%
25%
64
50%
75%
128
100%
Find 20% of 75:
number
percent
0
0%
15
20%
30
40%
60
80%
75
100%