Start with 1/5x – 2/3y = 30. Let y = 15: (<span>1/5)x – (2/3)(15) = 30
Then (1/5)x - 10 = 30, and (1/5)x = 40, and so x = 200 (answer)</span>
Answer:
Step-by-step explanation:
<h3>Sally's share is half of the investment</h3>
- 5000 = 1/2(2000 + 3000 + 5000)
<h3>Sally will get half of the profit according to investment</h3>
45 minutes per 1/4 of the class. 45 times 4 is equal to 3 hours.
