How many students studied for at most 6 hours?
A. 6 B. 8 C. 10 D. 12
7. /1 How many students studied for exactly 2 hours?
A. 0 B. 2 C. 4 D. Not enough information
8. /1 How many more students studied for at least 3 hours compared to students who studied
less than 3 hours? A. 4 B. 5 C. 7 D. 9
9. /1 On a circle graph, what percentage of the circle represents a measurement of 216◦?
A. 6% B. 8% C. 60% D. 80%

The answer is option c.

One shot. if 60% of 10 is 6, then what is 70%? we know it would be seven (since 60% is mathematically 60/100, or 6/10, then 70% is 70/100, or 7/10) but we can check anyway using ratios: 6 : 60% = x : 70%*inverse multiplicationx * 60% = 6 * 70%*divide both sides by 60%x = (6 * 70%) / 60%x = 7and since he has made 6 shots already, he would need just one more to get 7 shots or 70%. if the explanation is too confusing, comment and i will try to