300 total, divided by 10 is 30. 30 x each part of ratio gives:
30 x 7 = 210 - red
30 x 3 = 90 - yellow
210 - 90 = 120 more students
(85 + 60) ÷ 2 = 72.5 Close to 71%
Answer: D - 71%
Hello,
The answer is "4 ways".
Reason:
You can write it these ways:
= 5^12 / 5^4
= 5^9 / 5
= 5^10 / 5^2
<span>= 5^15 / 5^ 7
Therefore you can write it 4 different ways....
If you need anymore help feel free to ask me!
Hope this helps!
~Nonportrit</span>
