Answer:

Step-by-step explanation:
Answer: $509
Step-by-step explanation:
Given : Gabe is getting married in three years and wants to save $20,000 for his wedding. He opens an account earning 6% interest, compounded monthly.
According to the given description, we have
A= $20,000 , r= 6%=0.06 , t= 3 years , n= 12 [1 yearn = 12 months]
Formula to find Periodic monthly deposit :-

Substitute given values in the above formula , we get

Hence, the periodic monthly deposit (payment) needed to achieve a balance of $20,000 after three years= $509.
Answer:
$5x + $7y ≥ $220
Step-by-step explanation:
Total Fees = $220
Total income is $5x plus $7y
Income = $5x + $7y
We want the total income to be equal to, or greater than, $220:
$5x + $7y ≥ $220
The answer is A). Five people received the email on the first day on the experiment.
Answer:
39%
Step-by-step explanation:
Let's find the answer by using the following formula:
selling price=(paid price)+((paid price)*(percent markup)) which can be written as:
percent markup=((selling price)-(paid price))/(paid price)
percent markup=(27.80-20)/20
percent markup=0.39=39%
In conclusion, the percent markup is 39%.