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MAVERICK [17]
3 years ago
9

A $280 suit is marked down by 20%. Find the sale price.

Mathematics
2 answers:
GarryVolchara [31]3 years ago
7 0

Answer:4

Step-by-step explanation:

Ex (increase, such as taxes or price hike):

I want to increase $5 by 20%.

That means I would have to find the product of $5 and 120%.

$5*1.20=6

If you increase $5 by 20%, you will get $6.

Ex (decrease, such as a discount or a special deal):

I want to decrease $5 by 20%.

That means I would have to find the product of $5 and 80%.

$5*.80=4

If you decrease $5 by 20%, you will get 4.

soldi70 [24.7K]3 years ago
7 0
The easiest way of calculating discount is, in this case, to multiply the normal price $280 by 20 then divide it by one hundred. So, the discount is equal to $56. To calculate the sales price, simply deduct the discount of $56 from the original price $280 then get $224 as the sales price.
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a company added a new oil tank that holds 350 barrels of oil more than its old oil tank. Together they hold 3650 barrels of oil.
Tcecarenko [31]

Answer:

Capacity of old tank =  1650 barrels.    

Capacity of new tank =  2000 barrels.  

Explanation:

  Let a be the capacity of old tank and b be the capacity of new tank.

 A company added a new oil tank that holds 350 barrels of oil more than its old oil tank.

So we have    b - a  = 350 ----------------------equation 1

Together they hold 3650 barrels of oil

                        a + b = 3650 ----------------------equation 2

equation 1 + equation 2

                       2b = 3650 + 350 = 4000

                          b = 2000 barrels.

Substituting in equation 1

                  2000 - a = 350

                            a = 1650 barrels.

Capacity of old tank =  1650 barrels.    

Capacity of new tank =  2000 barrels.        

 

4 0
3 years ago
2 Points
MariettaO [177]

Answer:

D and F

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Sara can finish 5 laps around the track in 6 minutes. What is her average speed in miles per hour, if it takes 12 laps around th
sveticcg [70]

9514 1404 393

Answer:

  4 1/6 miles per hour

Step-by-step explanation:

6 minutes is 1/10 hour, so Sara's speed is ...

  speed = distance/time

  speed = (5/12 mi)/(1/10 h) = 50/12 mi/h

  speed = 4 1/6 mi/h

Sara's speed is 4 1/6 miles per hour.

4 0
2 years ago
15/17 in simplified, rational form?
aivan3 [116]

Hey!

----------------------------------------------

Rational Number - Any number that can be written as a fraction.

Prime Number - Is a number that it's only factor is 1 and itself.

----------------------------------------------

Solution and Answer:

15/17 ≈ 0.88

15/17 cannot be simplified because 17 is a prime number and both numbers don't have common prime factors.

----------------------------------------------

Hope This Helped! Good Luck!

4 0
3 years ago
Please help me . please
Nimfa-mama [501]

Answer:

C’ (-4.5, 3)

Step-by-step explanation:

3/4 x (-6)= -4.5

3/4 x (4)= 3

3 0
3 years ago
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