D. 30m + 100 because there is a monthly fee of 30 a month so that show that 30 is always reappearing and 100 is just the one time fee
Given:
The ratio of the cost of a shirt to the cost of a jacket is 2:5.
The jacket cost $240 more than the shirt.
To find:
The cost of the shirt and the cost of the jacket.
Solution:
Let x be the cost of the shirt.
The jacket cost $240 more than the shirt. So, the cost of Jacket is (x+240).
The ratio of the cost of a shirt to the cost of a jacket is 2:5. So,
Subtract 2x from both sides.
Divide both sides by 3.
So, the cost of shirt is $160.
Now, the cost of jacket is:
Therefore, the cost of shirt is $160 and the cost of jacket is $400.
Answer: Each girl will receive $18.75.
Step-by-step explanation:
Given: Two girls babysat three children for five hours.
Hourly pay for each child = $2.50
Payment for 5 hours per child =
Payment to 3 children for 5 hours =
So, the amount received by each girl =
Hence, each girl will receive $18.75.
Answer:
Domain:
Step-by-step explanation:
Given
Required
Determine f(x) and its domain
To determine f(x), we replace 5x with x in f(5x)
So, we have:
Take LCM
To get the domain, we set the denominator as