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Lisa [10]
3 years ago
5

Tori chang and kai chang sell cookies for Girl Scouts. Over the past 6 months they sold 110 boxes of cookies. Kai sold 4 times a

s many boxes of cookies as tori. How many boxes of cookies did each sell?
Mathematics
2 answers:
Ilya [14]3 years ago
7 0

Answer:

Tori = 22    Kai = 88

Step-by-step explanation:

Take 110 and divide by 5. Tori sold one unit, kai sold 4. Five total. 110/5 is Tori's total. Multiply by 4 to get kai's

scoray [572]3 years ago
4 0

For this case, we propose a system of two equations with two unknowns.

Let:

x: The variable that represents the number of biscuit boxes sold by Tori Chang

y: The variable that represents the number of biscuit boxes sold by Kai Chang

Between the two they sold 110 boxes of cookies:

x + y = 110

If Kai sold 4 times more boxes of cookies than Tori we have:

y = 4x

We substitute the second equation in the first:

x + 4x = 110\\5x = 110\\x = \frac {110} {5}\\x = 22

Then, Tori Chang sold 22 boxes of cookies.

y = 4x\\y = 4 * 22\\y = 88

Kai Chang sold 88 boxes of cookies.

Answer:

Tori Chang: 22 Boxes

Kai Chang: 88 boxes

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Answer:

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Step-by-step explanation:

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5x + 25 = 180

5x = 180 - 25

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5x/5 = 155/5

x = 31

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tensa zangetsu [6.8K]

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4 0
3 years ago
30 points 1 question PLEASE HELP ME OUT I REALLY NEED IT
Pachacha [2.7K]

Answer:

p(-5/3) ≠  0 So, (3 x +5) is NOT A FACTOR of p(x)

Step-by-step explanation:

Here, the given function is p(x)=3x^5+2x^2 - 5

Now, the given root of the function is ( 3x +5)

Now, if ( 3 x +  5) = 0,

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So, the zero of the given polynomial is x = -5/3

Then,  x = -5/3, p(x)  =0 ⇒   ( 3 x + 5) is a FACTOR of p(x)

Now, let us find the value of function at x = -5/3

Substitute x = -5/3 in the given function p(x), we get:

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Now, as p(-5/3) ≠  0 So, (3x +5) is NOT A FACTOR of p(x)

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