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dexar [7]
3 years ago
12

A number is multiplied by 20, and that product is added to 5. The sum is equal to the product of 5 and 13.

Mathematics
1 answer:
liubo4ka [24]3 years ago
5 0

Answer:

x = 3

Step-by-step explanation:

First, you will pick the first equation :

(x*20)

Then the next,

(x*20) + 5

Then the last equation,

(x*20) + 5 = 5*13

Then you solve

20x + 5 = 65

20x = 65 - 5

20x = 60

20x/20 = 60/20

x = 3

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Help me solve this please. I don't know the formula for this.​
den301095 [7]

Answer

48,000

Step-by-step explanation:

base(x)

1,200(40)

8 0
4 years ago
A pack of 9 toilet rolls costs £4.23
OleMash [197]
 a)  9 toilet rolls cost $ 4.23
       1 toilet roll costs  $ x

          9x = 4.23 * 1
           x= 4.23 / 9
            x = 0.47
So in first case one toilet roll costs $ 0.47.

b) 4 toilet rolls cost $1.96
    1 toilet roll costs  $ x
     
    4x = 1.96 * 1
     x = 1.96 / 4
     x = 0.49
So in second case one toilet roll costs $ 0.49.

0.47 < 0.49
The toilet roll in first case is cheaper than the toilet roll in second case.

Hope this heps!


8 0
3 years ago
How many triangles can be constructed with angles measuring 120°, 40°, and 10°?
balu736 [363]
Any kind of Triangle must have 180 degree of angle in total if it is not, then it is not a Triangle.

In short, Your Answer would be Zero

Hope this helps!
6 0
3 years ago
Read 2 more answers
Please help on number 2?!?!?
Rainbow [258]
Basically, the higher the price an item is the more you will be taking off of it if it is 10 percent off. For example, at $50, 10 percent off is $5, but at $55, it’s $5.50. There is more to take away, making the final price less than the original. Hope that make sense!
8 0
4 years ago
Answer plz. Give an explanation so I know ur not just getting points so I dont report. Thank you!
wariber [46]

Answer: A, D

Step-by-step explanation:

68 is the initial amount.

A is correct because 0.2(68) represents 20% of 68. Since you're looking for 80% of 68, you subtract 0.2(68) from 68.

D is correct because it directly takes 80% of 68, which is what the question is asking for.

6 0
3 years ago
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