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Lina20 [59]
3 years ago
8

Please answer part b and part c and please explain step by step

Mathematics
1 answer:
Zinaida [17]3 years ago
4 0
Part B
Divide 63 by 3 to get 21, the price of one shirt.
Divide 21 by 7 to get 3, 10% of the original price.
Multiply 3 by 10 to get 30, the original price of one shirt.
Answer: $30

Part C
Divide 40 by 10 to get 4, 10% of original price 
Multiply 4 by 3 to get 12, 30% of the original price 
subtract 12 from 40 to get 28, the price after discount 
Divide 28 by 10 to get 2.8, the second 10% discount.
Subtract 2.8 from 28 to get 25.2, the final price.
Answer: $25.20
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-2(2x+3)=-4(x+1) - 2
mario62 [17]

Answer:

All real numbers are solutions

Step-by-step explanation:

Let's solve your equation step-by-step.

−2(2x+3)=−4(x+1)−2

Step 1: Simplify both sides of the equation.

−2(2x+3)=−4(x+1)−2

(−2)(2x)+(−2)(3)=(−4)(x)+(−4)(1)+−2(Distribute)

−4x+−6=−4x+−4+−2

−4x−6=(−4x)+(−4+−2)(Combine Like Terms)

−4x−6=−4x+−6

−4x−6=−4x−6

Step 2: Add 4x to both sides.

−4x−6+4x=−4x−6+4x

−6=−6

Step 3: Add 6 to both sides.

−6+6=−6+6

0=0

Answer:

All real numbers are solutions.

8 0
3 years ago
Ewa has 20 balls of four colors: yellow, green, blue, and black. 17 of them are not green, 5 are black, and 12 are not yellow. h
Yanka [14]
20 total balls:

5 are black

17 NOT yellow

12 NOT green


20-17 = 3

20-12 = 8


5 Black + 3 yellow + 8 green = 16 balls


20 total balls - 16 balls = 4 blue balls



Ewa has 4 blue balls.
4 0
3 years ago
when 5 is subtracted from a certain number and the result divided by 6 the answer is equal to 4 .find the number
dangina [55]

Answer:

(x - 5) / 6 = 4

x - 5 = 24

x = 29

The Number is 29.

3 0
4 years ago
24.8 divided by 175.
WITCHER [35]
24.8 divided by 175 is 0.1417142857142857 or you can round it to 0.142

5 0
3 years ago
Read 2 more answers
Please help me tysm !!​
ICE Princess25 [194]
The answer is 84
explanation is that i did math and have already done this before
5 0
3 years ago
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