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Arte-miy333 [17]
4 years ago
5

kristin harris bought a dress that was on sale for 25 % off the regular price of 78 $ . what was the sale price ?

Mathematics
1 answer:
slava [35]4 years ago
8 0

Answer: $58.50

Explanation: In order to find the sale price of the dress, we first need to find the discount. The formula for discount is shown below.

Original Price × Rate of Discount = Discount

So here, the original price is $78 and the

rate of discount is 25% off or .25.

So we multiply (78)(.25) to get 19.50 so the discount is $19.50.

Now we can find the sale price.

The formula for sale price is shown below.

Original Price - Discount = Sale Price

So here, the original price is $78 and the discount is $19.50.

So subtracting 78 - 19.50, we get 58.50.

So the sale price is $58.50.

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3 years ago
A retangle has a perimeter (p) of 58 inches. The length (L) is one more than 3 times the width (W)
worty [1.4K]

The rectangle has a perimeter P of 58 inches.The length l is one more than 3 times the width w.write and solve a system of linear equations to find the length and width of the rectangle?

Answer:

Length(L)=22 inches

Width(W) = 7 inches

Step-by-step explanation:

GIven:-

Perimeter (p)=58 inches,

Length(L)= one more than 3 times the width(W)

Let, W=x   ---------------------------------(equation 1

L=3x+1  -----------------------(equation 2)

Here x is unknown and to find the Width(W) we have to find the value of x.

Now,

Perimeter of rectangle(p) = 2 times length(L) + 2 times width(W)

p=2L+2W

p=2(3x+1)+2x  ----------------(from equation 1)

58=6x+2+2x   ----------------(given p=58 inches)

58=8x+2

8x=58-2

8x=56

x=\frac{56}{8}

x=7          ----------------------(equation 3)

Now substituting the value of equation 3 in equation 2.

L=3x+1

L=(3\times 7)+1

L=21+1

L=22

L=22 inches

as, W=x   -----------------------(from equation 1)

W=7 inches -------------------(equation 3)

Therefore, Length(L) = 22 inches and Width(W) = 7 inches.

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3 years ago
Simplify the expression:<br> -<br> 4t+<br> -<br> 7t+3–10t
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The values that make this statement falser are any in which a and b do not have the same sign.

For instance, if a was equal to 3 and b was equal to -3 than see the results.

|a+b|=

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