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jekas [21]
1 year ago
8

Haley buys 18 bars of chocolate which cost her $5.40. TO raise money for charity she sells them at 40 cents each. She manages th

e sell them all.what is haley's percentage profit ?
Mathematics
1 answer:
azamat1 year ago
8 0

Answer:

33.333...% over the base 100% (100% is representing the $5.40)

Step-by-step explanation:

she gets $7.20 from selling the 18 chocolate bars

7.20 divided by 5.40 is 1.3333...

the 1 in 1.3333... represents the base 5.40 and the 0.3333... represents the profit

You might be interested in
Help please I need to find the area I don’t know how thanks
otez555 [7]

Answer:

49.62

Step-by-step explanation:

You can start by dividing the shape into 2 separate rectangles to make calculating the area easier.

9.3 x 2.4 = 22.32

10.5 x 2.6 = 27.3

Then, add the areas of the two separate rectangles to find the total area of the shape.

22.32 + 27.3 = 49.62. Hope that helped

4 0
3 years ago
It takes 4 hours and 15 minutes to fly from Orlando, Florida, to Boston, Massachusetts. The distance between the two cities is 1
3241004551 [841]

Answer:

262.12mph and 419kph

Step-by-step explanation:

Given: It takes 4 hours and 15 minutes to fly from Orlando, Florida, to Boston, Massachusetts. The distance between the two cities is 1114 miles

To Find: the average speend of the plane in miles per hour, If every mile is approximately 1.6 kilometers, the speed of the airplane in kilometers per hour

Solution:

Distance between Orlando,Florida and Boston, Massachusetts=1114 \text{miles}

Time taken to cover the distance =4\text{hours} and 15\text{minutes}

We know that,

\text{Average Speed}=\frac{\text{Total Distance}}{\text{Total time}}

                                          =\frac{1114}{\frac{17}{4}}

                                          =\frac{1114\times4}{17}

                                          =262.12 \text{mph}

It is given that,

1\text{mile}=1.6\text{kilometer}

therefore,

1\text{mph}=1.6\text{kph}

Speed Of plane in Kilometers per hours =\text{speed in mph}\times1.6

                                                                   419.4\text{kph}

Speed of in miles per hour  is 262.12 \text{mph} and Speed in kilometer per hour  419.4\text{kph}

3 0
3 years ago
Tracy needs to find the length and width of the equipment room where she works. The room is 2 meters longer than it is wide. The
Alekssandra [29.7K]

Answer:

The answer to your question is: width = 3 meters

Step-by-step explanation:

Data

Perimeter = 16 meters

The room is 2 meters longer than its width, then   length = width + 2

Perimeter = 2 length + 2 width

   16 =  2(width + 2) + 2 width

    16 = 2 width + 4 + 2 width

   16 = 4 width +4

   16 - 4 = 4 width

    12 = 4 width

    12/4 = width

     3 = width  

length = 3 + 2 = 5 meters

8 0
3 years ago
The number of fruit flies in an experimental population after t hours is given by
12345 [234]

Answer:

20

Step-by-step explanation:

just substitute 0 for time in your equation, you will get 20.

8 0
3 years ago
What is the slope of the line that passes through the points (-7, -4)(−7,−4) and (-11, -2) ?(−11,−2)? Write your answer in simpl
dsp73

Answer:

-1/2

Step-by-step explanation:

x_{1}=-7 \ ; \ y_{1}=-4\\\\x_{2}=-11 \ ; \ y_{2} = -2\\\\\\Slope=\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\\\=\dfrac{-2-[-4]}{-11-[-7]}\\\\\\=\dfrac{-2+4}{-11+7}\\\\\\=\dfrac{2}{-4}\\\\\\=\dfrac{-1}{2}

8 0
3 years ago
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