Answer:
It will take 4 years
Step-by-step explanation:
The formula of the simple interest is <em>I = Prt</em>, where
- <em>P</em> is the investment
- <em>r</em> is the annual rate in decimal
∵ The investment is $40000
∴ <em>P</em> = 40000
∵ The simple interest is $8000
∴ <em>I </em>= 8000
∵ The rate of interest is 5%
∴ r = 5%
→ Change it to decimal by divide it by 100
∴ <em>r</em> = 5 ÷ 100 = 0.05
→ Substitute them in the formula above
∵ 8000 = 40000 × 0.05 × t
∴ 8000 = 2000t
→ Divide both sides by 2000
∴ 4 = t
∵ t is the time of investment
∴ It will take 4 years
Answer:
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Step-by-step explanation:
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well this is what the graph would look like i don't know how to help you with the first part sorry
Step-by-step explanation:
Given that
A worker's salary is increased by 12%.
Let the worker's original salary is represented by s. It means, the new salary of the person is given by :
New salary = 12% of s
So,

Hence, this is the required solution.
So starting with the first inequality:
Firstly, subtract 1/5 on each side. 
Next, multiply each side by 2/3, and your answer should be:

Second inequality:
Firstly, add 7/3 on each side 
Next, multiply by -2 on each side, and flip the less than or equal to sign because you are multiplying by a negative. Your answer will be 
In short, the correct option is the first option.