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Mazyrski [523]
4 years ago
12

You sell small and large candles at a craft fair small candles cost four dollars each and large candles cost six dollars each yo

u collect $144 selling a total of 28 candles how many of each size candles did you sell
Mathematics
1 answer:
Agata [3.3K]4 years ago
8 0

Let x = the number of small candles sold

Let y = the number of large candles sold

You are given two pieces of information:

(1) Number of candles sold:  x + y = 28

(2) Revenue based on cost per candles sold:  4x + 6y = 144

Two equations, two unknowns -  Solving by substitution (x = 28 - y)

4 * (28-y) + 6y = 144

112 - 4y + 6y   = 144

112 + 2y          = 144

         2y         =   32

         y           =  16

If y = 16, back substitute to find x = 12

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12345 [234]

Answer:

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Step-by-step explanation:

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3 years ago
What is the equation of the axis of symmetry for the parabola y= 1/4(x+2)^2-7
Nezavi [6.7K]
Your answer is -2 as the axis of symmetry is at -b/2a. So if you were to expand the equation, you would get y= x^2/4 +x -6 where b is 1 and 2a is ½ . Therefore -1 / ½ gives you -2
7 0
4 years ago
You work a part-time job at $7.85/hr for 10 hours per week. Your deductions are FICA (7.65%), federal tax withholding (9.8%), an
Dmitrij [34]
Here, My initial salary = 7.85 

FICA deduction amount = 7.85 * 7.65% = 7.85 * 0.0765 = 0.60
Federal Tax amount = 7.85 * 9.8% = 7.85 * 0.098 = 0.77
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So, Total deducted amount = 0.60 + 0.77 + 0.43 = 1.80
Net hourly wage = 7.85 - 1.80 = 6.05

In short, Your Answer would be $6.05

Hope this helps!
4 0
3 years ago
A cube has six sides that are numbered 1 to 6 the sides number 1 2 and 5 or green the sides number 3 4 and 6 red what is the pro
Arisa [49]

Answer:

5 / 6

Step-by-step explanation:

The green numbers: 1, 2, 5

The even numbers: 2, 4, 6

Since 2 is an overlap, we'll only count it once.

Total outcomes: 6

Successful outcomes: 5

Probability: 5 / 6

6 0
4 years ago
A circle has an area of 78.5 square inches. What is the radius of the circle?
Rainbow [258]

Answer:

\sqrt{24.98732606  Decimal Form:

4.99873244

Step-by-step explanation:

geometry is the worst. but i have a way to remember how to find the area. (Apple Pies are too --> A=πr^2 --> area = pie×radius^squared) so basically you sub in 78.5 in for area and then you solve for r.

Hope i helped kinda lol

6 0
4 years ago
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