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insens350 [35]
3 years ago
10

A store that sells skis buys them from a manufacturer at a wholesale price of $87 The store's markup rate is 50% A. What price d

oes the store charge its customers for the skis? B. What percent of the original price is the final price? C. What is the percent INCREASE from the original price to the final price?
Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
8 0

Answer:

A. $130.50

B. 150%

C. 50%

Step-by-step explanation:

First, find 50% of 87 and add it to find the new price.

87 x 0.5 = 43.5

87 + 43.5 = 130.5

Then, find the percent by doing 130.5 ÷ 87, which is 150%

Calculate the percent increase by doing (130.5-87) ÷ 87, which is 50%

Alborosie3 years ago
7 0

Answer:

see below

Step-by-step explanation:

First find the markup

87* 50%

87*.50

43.50

Add this to the wholesale price

87+43.50 =130.50

This is what they charge the customer

This is 150% percent of the wholesale price

100% + 50% = 150%

To find the percent increase

Take the new price and subtract the wholesale price

Then divide by the wholesale price

(130.50-87)/87 =50 % increase

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tia_tia [17]

Answer:

x^{2} + ( 4x) + (147)

Step-by-step explanation:

Here, the given expression is

x^{2} +3x +3 + (2x+134+15) - (x+5)

Now, simplifying the brackets, we get

x^{2} +3x +3 + (2x+134+15) - (x+5) = x^{2} +3x +3 + 2x+134+15 - x -5

Now, operate on the like terms.

= x^{2} + ( 3x + 2x -x) + (134 + 15 + 3 -5)

=x^{2} + ( 4x) + (147)

Hence, the given expression is simplified to the quadratic equation x^{2} + ( 4x) + (147)

5 0
3 years ago
I need help finding the inverse of this problem
fomenos

y=\sqrt{x-1}+6

(Notice that we always have y\ge6[tex].)Swap [tex]x and y, then solve for y:

x=\sqrt{y-1}+6

x-6=\sqrt{y-1}

(x-6)^2=(\sqrt{y-1})^2

(x-6)^2=y-1

y=(x-6)^2+1 (this is the inverse)

###

This inverse is valid only for x\ge6. Why?

Suppose we take x=0. Then

y=(0-6)^2+1=37

This would suggest that in the original equation, we should get x=37 when y=0. But when we check this, we end up with

0=\sqrt{37-1}+6=\sqrt{36}+6=6+6=12

which is clearly not true.

6 0
3 years ago
Swimming Pool On a certain hot summer's day, 236 people used the public swimming pool. The daily prices are $1.50 for children a
forsale [732]

Answer:

Step-by-step explanation:

a+c=236\\ \\ a=236-c\\ \\ 1.5c+2.5a=525\\ \\ 1.5c+2.5(236-c)=525\\ \\ 1.5c-2.5c+590=525\\ \\ -c=-65\\ \\ c=65\\ \\ a=236-65\\ \\ a=171\\ \\ \text{So there were 171 adults and 65 children at the pool that day.}

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3 years ago
A pair of fair dice is cast. what is the probabiliy that the sum of the numbers falling uppermost is 9, given that at least one
WITCHER [35]
If a pair of fair dice is cast, the probability that the <span>sum of the numbers falling uppermost is 9, given that at least one of the numbers falling uppermost is a 3 is given by:

\frac{P(sum\, of\, 9\, \cup\,3)}{P(3)}

The number of outcomes of sum of 9 where at last one is 3 is (3, 6) and (6, 3) = 2.

</span>The number of outcomes of last one of the numbers falling uppermost is a 3 is (3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6), (1, 3), (2, 3), (4, 3), (5, 3) and (6, 3) = 11.

Therefore, <span>the probabiliy that the sum of the numbers falling uppermost is 9, given that at least one of the numbers falling uppermost is a 3 is 2 / 11.</span>
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4 years ago
The first term of an arithmetic sequence is -5 , and the twelfth term is 1.7 .find the common difference
ruslelena [56]
A=-5
a12 = 1.7

a12 = a+(n-1)d
1.7 = -5+(12-1)d

1.7+5 = 11d

6.7/11 = d
0.60 = d
7 0
3 years ago
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