The cost of company 1: 10x+50
The cost of company 2: 8x+60
The cost will be the same at:

The answer is 5 hours
The answer is B. because it is 6:9 which simplifies down to 1:3
Answer:
Total = 2,500 (1.021)^t
Step-by-step explanation:
There is no question but the formula for compound interest is
Total = amount (1 + rate)^time
Total = 2,500 (1.021)^t
Lst question: x = 5, y = 7
2nd question: x = -1, y = 5
3rd question: x = 98, y = 80
Answer:
27
Step-by-step explanation: