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leonid [27]
2 years ago
10

Sharon makes headbands and sells them online. She is analyzing the sales of two of her most popular styles, For style A, she sol

d 40 in the first month and had a 10% increase in sales each month after that. For style B, she sold 20 in the first month and had a 15% increase in sales each month after that.
Which system of equations can she use to determine the number of months, m, until the sales, s, are the same for both headband styles?

A. s = 40(0.10)^m, s = 20(0.15)^m
B. s = 1.1(40)^m, s = 1.15 (20)^m
C. s = 40(1.1)^m, s = 20(1.15)^m
D. s = 10(40)^m, s = 15(20)^m​
Mathematics
2 answers:
Nuetrik [128]2 years ago
8 0

Answer:

Option C

Step-by-step explanation:

C: s=40(1.1)^m, s=20(1.15)^m

correct on edmentum

Crank2 years ago
6 0

Answer:

the answer is c: s=40(1.1)^m, s=20(1.15)^m

Step-by-step explanation:

in option A, (0.10) and (0.15) make it exponential decay rather than exponential growth like it's supposed to be.

In option B, the rate of growth is supposed to be on the exponent, not the sales themselves in the equation

option c is correct I just finished the test

option d has the same mistake as a and b combined

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Answer:

$1.25

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Step-by-step explanation:

Let's take this a step a time.

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We know that each flower cost $1.50 on October.

The October price was a 20% increase of the September price.

To calculate for the price of the flowers on September, we can solve it like this:

Let x = Price during September

1.2x = 1.50

We used 1.2 because the price of $1.50 is 120% of the original price.

Now we divide both sides by 1.2 to find x.

\dfrac{1.2x}{1.2}=\dfrac{1.5}{1.2}

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The price of the flowers during September was $1.25 each.

Now the 7th grade class earned 40% of the selling price of each flower.

40% = 0.40

To find how much they made on each month, we simply multiply the percentage to the price and the number of flowers sold.

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Now for October.

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5 0
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jolli1 [7]

Required equation in slope intercept form is: y=5x+4

Step-by-step explanation:

Given

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Required equation in slope intercept form is: y=5x+4

Keywords: Equation, linear equation

Learn more about equation of line at:

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#LearnwithBrainly

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