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SIZIF [17.4K]
3 years ago
13

1) Lorraine would like to purchase a new pair of boots that cost $80. She has a coupon for 25% off.

Mathematics
2 answers:
german3 years ago
7 0

Answer:

A) X represents the new price of the jacket after adding the coupon

B) There's a 100 in the denominator of the first ratio because it was originally a percentage, you multiply the percentage by 100 to figure out the decimal.

C) Cross multiply:

100x-2000

Then subtract 100 by both sides:

(100 cancels out each other) 100x-2000

    2000-100= 1900                                                  

X=1900      

Andrei [34K]3 years ago
3 0

Answer:

$60

Step-by-step explanation:

25/100x80=20

80-20=60

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(Brainliest) PLEASE HELPP MEEE
zloy xaker [14]

Answer:

1. According to the angle bisector theorem, DAC = BAC

2. Same kind of goes for BC

3. X must be equal in both equations.   x= 3

9(3) -7 = 20

4(3) +8 = 20

Hope this helped!

8 0
3 years ago
The amount of chlorine in a swimming pool varies directly with the volume of water. the pool has 2.5 milligrams of chlorine per
djverab [1.8K]

Answer:

Find out the  how much chlorine is in the pool .

To prove

As given

The amount of chlorine in a swimming pool varies directly with the volume of water.

The pool has 2.5 milligrams of chlorine per liter of water.

i.e

2.5 milligrams of chorine = 1 litre of water

There are 8000 gallons of water in the swimming pool.

As 1 gallons = 3.78541 litre (Approx)

Now convert 8000 gallons of water in litres.

8000 gallons = 8000 × 3.78541 litre

                      = 30283.28 litres

Now calculate chlorine in the pool for 30283.28 litres  of waters.

As

2.5 milligrams of chlorine = 1 litre of water

2.5 × 30283.28 milligrams of chlorine = 30283.28 litre of water

75708.2 milligrams of chlorine for 30283.28 litre of water .





3 0
3 years ago
Read 2 more answers
Isaac purchased a house for $109,400.00. Every year, Isaac makes improvements so that the value of the house goes up by 3%. Whic
Vesnalui [34]

Answer:

t + 109,400.00 =$120,340.00

Step-by-step explanation:

3 0
3 years ago
The matrix below represents a system of equations.
UkoKoshka [18]

Answer:A

Step-by-step explanation:

just took it

7 0
2 years ago
A movie theater sells 180 adult tickets and 60 children tickets to a movie. As part of a special promotion one ticket will be ch
lidiya [134]

Answer:

25%

Step-by-step explanation:

180+60=240

60/240=0.25

0.25*100

25%

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

5 0
3 years ago
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