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V125BC [204]
3 years ago
9

The price of an item has been reduced by 85% . The original price was 20 . What is the price of the item now?

Mathematics
1 answer:
lesya [120]3 years ago
3 0
Original price = 20
Reduced by 85%,
So, 100-85 = 15% of 20,

\frac{15}{100}  \times 20 \\  =  \frac{15}{5}  \\   = 3
Prove of item is now 3.

!! Hope It Helps !!
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b. Sixty-five pounds of candy was divided into four different boxes. The second box contained twice the amount of the first box.
Ainat [17]

First box = 14 pounds

Second box = 2x = 28 pounds

Third Box = x+2= 16 pounds

Fourth box = x/2 = 7 pounds

<u>Step-by-step explanation:</u>

Here we have , Sixty-five pounds of candy was divided into four different boxes. The second box contained twice the amount of the first box. The third box contained two more pounds than the first box. The last box contained one-fourth the amount in the second box. We need to find How much candy was in each box. Let's find out:

We have a total of 65 pounds of candy ! Let in first box we have x pounds so , second box contained twice the amount of the first box i.e.

⇒ 2x

The third box contained two more pounds than the first box i.e.

⇒ x+2

The last box contained one-fourth the amount in the second box i.e.

⇒ (\frac{1}{4})2x = \frac{x}{4}

Therefore , Sum of pounds of candy are :

⇒ \frac{x}{2} +x+2+2x+x=65

⇒ \frac{x}{2} +4x=63

⇒ \frac{9x}{2}=63

⇒ x=63(\frac{2}{9} )

⇒ x=14

Therefore , Candy in each box is :

First box = 14 pounds

Second box = 2x = 28 pounds

Third Box = x+2= 16 pounds

Fourth box = x/2 = 7 pounds

8 0
3 years ago
7.5d = 2.5d Lin divided each side by 2.5d and Elena subtracted 2.5d from each side with both leads to the solution
dedylja [7]

Answer:

Elena's move will lead to the solution of the problem

Step-by-step explanation:

To solve the equation 7.5d=2.5d, Lin divides each side by 2.5d, and Elena subtracts 2.5d from each side. Will both moves lead to the solution? Explain your reasoning

Given:

7.5d = 2.5d

Lin divides each side by 2.5d, Lin:

7.5d / 2.5d = 2.5d / 2.5d

3 = 1

This can not be the solution to the problem because 3 can not be Equal to 1

Elena subtracts 2.5d from each side

7.5d = 2.5d

7.5d - 2.5d = 2.5d - 2.5d

5d = 0

This can lead to the solution of the problem

Elena's move will lead to the solution of the problem

6 0
3 years ago
Frank has a 2-digit number on his baseball uniform. The number is a multiple of 10 and has 3 for one of its factors. What three
denis23 [38]
List all multipluesl of 10 tht are 2 digits
10
20
30
40
50
60
70
80
90

the ones that have a factor of 3 are
30,60,90


it could be 30 or 60 or 90
8 0
3 years ago
Read 2 more answers
Find the value of this expression if x = 5
vfiekz [6]

Answer:

-16

Step-by-step explanation:

5^2+7/5-7

32/-2

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8 0
3 years ago
Read 2 more answers
What is 6(3x - 4) = -8
Ludmilka [50]

Answer:

x = 8/9

Step-by-step explanation:

6(3x - 4) = -8

Distribute the 6

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Add 24 to each side

18x -24+24 = -8+24

18x = 16

Divide each side by 18

18x/18 =16/18

Simplify the fraction by dividing top and bottom by 2

x = 8/9

8 0
3 years ago
Read 2 more answers
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