Using the percentage concept, it is found that 60% of the students voted to donate a telescope.
<h3>What is a percentage?</h3>
The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

In this problem:
- The total amount is the number of students, which is of b = 500.
- 300 voted to donate, hence a = 300.
The <em>percentage </em>is given by:

60% of the students voted to donate a telescope.
More can be learned about the percentage concept at brainly.com/question/10491646
Answer:
68/3
Step-by-step explanation:
5 2/3=17/3
4(17/3)=68/3
2 weeks = 14 days.
21 hours × 14 days = 294 hours total.
8.8 watts × 294 hours = 2587.2 Wh or 2.5872 kWh.
Can you provide a picture?