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kkurt [141]
3 years ago
8

You and your friend each start a car-washing service. You spend $25 $ 25 on supplies and charge $10 $ 10 per car. Your friend sp

ends $55 $ 55 on supplies and charges $13 $ 13 per car. How many cars do you have to wash to earn the same amount of money as your friend?
Mathematics
2 answers:
atroni [7]3 years ago
7 0

Answer:

If this is from TTM the answer is 10 cars.

Step-by-step explanation:

photoshop1234 [79]3 years ago
5 0

Answer:

if you wash 13 cars, you will earn 13*10= 130 $

your friend will also learn 130 $ but he only need to wash 130/13= 10 cars

SO the number of the car you have to wash is 13 cars

Step-by-step explanation:


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You borrow money for 4 years. The total amount that you repay is $7,840, which includes $840 in simple interest. How much was th
Lina20 [59]

Answer:

  • principal: $7000
  • interest rate: 3%

Step-by-step explanation:

amount repaid = principal + interest

$7840 = principal + $840

$7000 = principal . . . . . . . . subtract $840 from both sides of the equation

___

I = Prt

840 = 7000·r·4

840/(4·7000) = r = 0.03 = 3%

The principal was $7000; the interest rate was 3%.

6 0
3 years ago
If the following is a monomial, write it in standard form.
Sati [7]

Answer:

Monomial; Standard form: 18a^2b^2

Step-by-step explanation:

6 {a}^{2} 3 {b}^{2}  = 6 \times 3 {a}^{2}  {b}^{2}  = 18{a}^{2}  {b}^{2}  \\

8 0
3 years ago
According to cbs money watch, the average monthly household cellular phone bill is $100. suppose monthly household cell phone bi
iren2701 [21]
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5 0
3 years ago
N.
noname [10]

Answer:

287.1 inches of the canvas.

Step-by-step explanation:

To solve this, we need to first figure out the total area of the canvas. To do that, multiply width by height.

29*33=957

Now set up your equation for solving for the area of the canvas that the rose covers.

x/957=30/100

We did it where: x is the area of the rose covers, 957 is the amount of inches that the canvas takes up, and the right side of the equation is the percent.

Now cross multiply.

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6 0
3 years ago
Write a power represented with a positive base and a positive exponent whose value is less then the base
sasho [114]

Answer:

The question is open ended as i suppose since there are infinitely many possibilities. one possible form of the solution can be 5^{2}

Step-by-step explanation:

The base in this case is 5 while the exponent is simply the power to which the base is raised in which case it would be 2. Both values are positive and the exponent is less than the base.

6 0
3 years ago
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