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BARSIC [14]
3 years ago
8

Sally works 40 hours a week and makes $20 an hour, but her kids are in child care each day and the day care center charges her $

50 per day. If you deduct her child care expenses, how many dollars per hour does she actually make?
Mathematics
1 answer:
Maslowich3 years ago
5 0

Answer:

$11.25

Step-by-step explanation:

Multiply the number of hours she works by how much she gets paid per hour.

800

Multiply 50 times 7 (50 being the amount charged for her kid and 7 being the days of the week)

350

Subtract the 350 from the 800

450

Divide the 450 by the number of hours worked per week

450/40

Answer: 11.25

So Sally actually makes 11.25 per hour.

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If gym strong charges a $350 fee and $15 a month and gym fit charges $100 fee and $24 a month, how many months would take for gy
Papessa [141]

Answer:

<em>It would take 28 months for Gym Strong to be a better buy.</em>

Step-by-step explanation:

There are two possible options for gyms to choose from:

Gym Strong charges $350 plus $15 a month

Gym Fit charges $100 plus $24 a month.

Since Gym Strong charges less per month but has a higher initial fee, there will be some time when it will be a cheaper option than Gym Fit.

Let's solve this by analyzing the differences in fixed fees and monthly fees.

The difference of fixed fees is $350 - $100 = $250

The difference on monthly fees is $24 - $15 = $9

Both gyms will charge the same total fees when have passed 250/9 = 27.7 months. Since the number of months is a whole number, we round up.

It would take 28 months for Gym Strong to be a better buy.

5 0
3 years ago
Twice a number, decreased by 4, is at least 12. <br><br> A.8<br> B.7<br> C.6<br> D.5
podryga [215]
Not sure if im right but pretty sure it’s 8 because 8*2 is 16-4=12
3 0
3 years ago
a person on tour has 360 $ for his daily expense. if he extends his tour for 4 days,he has to cut down his daily expense by 3$.
Cloud [144]

Answer:

360 for his expenses. Now if he extends his tour for 4 days then total days of the tour turns out to be x+4 days. Answer is 20 because -24 is not possible as days cannot be negative. So option (d) is the answer.

Step-by-step explanation:

Hope this helps

- a helping friend! :)

4 0
3 years ago
Determine what type of model best fits the given situation: The height of a tree twenty feet tall increases by 2 feet per year.
Sliva [168]

Answer:

linear model

Step-by-step explanation:

This is a linear function.  The initial value is 20 ft, and the yearly growth is 2ft/yr.  Thus, the function is

height(t) = (20 ft) + (2 ft/yr)t, where t is the number of years.

4 0
3 years ago
Read 2 more answers
Use a net to find the surface area of the cone to the nearest square centimeter. Use 3.14 for pi.
Lerok [7]

The surface area of the cone is given by:

SA=\pi r^2+\pi Lr

where r is the radius and L is slant height.

In this case r=5 and L=12. Then the surface area is:

\begin{gathered} SA=(3.14)(5)^2+(3.14)(12)(5) \\ =267 \end{gathered}

Therefore the surface area is 267 squared centimeters,

8 0
1 year ago
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