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3 years ago

The original price of a bicycle is $129. The sale price is 80% of the original price. What is the sale price of the bicycle?

Mathematics

2 answers:

marta [7]3 years ago

6 0

Price is $129 now multiply (129*80)/100 = 103.20. Then subtract $ 129.00 - $ 103.20 = $ 25.80 final price.

BlackZzzverrR [31]3 years ago

5 0

$103 and 2 cents is the sale price

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Answer:

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Step-by-step explanation:

Given:

Point a is at (-7,-7) and m is at (-6,-1).

So, to find the coordinates of point b.

Let a (-7,-7) be $(x_{1},y_{1})$ , m (-6,-1) and b $(x_{2} ,y_{2})$ .

Now, putting the formula to get the coordinates:

$m=\frac{x_{1}+x_{2}}{2} , \frac{y_{1}+y_{2}}{2}$

⇒ $(-6,-1)=\frac{-7+x_{2}}{2} , \frac{-7+y_{2}}{2}$

So, here we will make two equations to find the value of $x_{2} andy_{2}$ :

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multiplying both sides by 2

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⇒ $-5=x_{2}$

And, now same method for getting the value of $y_{2}$ .

$-1=\frac{-7+y_{2}}{2}$

multiplying both sides by 2

⇒ $-2=-7+y_{2}$

⇒ $5=y_{2}$ .

The value of $(x_{2} ,y_{2})$ = $(-5,5)$ .

Therefore, the coordinates of point b are (-5,5).

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