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Novay_Z [31]
3 years ago
13

4/7 is subtracted from a positive number and the result is multiplied by 7 to obtain the original number. What is the number?

Mathematics
1 answer:
Margaret [11]3 years ago
6 0

Answer:

The original number would have been 2/3

Step-by-step explanation:

In order to find this, we first need to turn the word problem into a numerical problem. For the purpose of this, let the number equal x.

7(x - 4/7) = x

7x - 4 = x

-4 = -6x

2/3 = x

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Tju [1.3M]

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4 0
3 years ago
A container holds 21 spoons and 27 forks. What is the ratio of spoons to the total number of utensils in the container?
sergey [27]
If there's 21 spoons and 27 forks than there are 48 utensils, and the ratio of spoon to total stilis is 21/48, and if you reduce that it is 7/16. So your answer is B. 7/16.<span />
4 0
3 years ago
Ebi, Jose, Derell, and Asami measured their heights. Ebi's height was 2.5 cm greater than Jose's height. Jose's height was 3.1 c
irga5000 [103]
Start with assigning each person with a variable to represent their height

Ebi: e
Jose: j
Derell: d
Asami: a

Ebi'd height was 2.5 cm greater than Jose's height

j + 2.5 = e

Jose's height was 3.1 cm greater than Derell's

d + 3.1 = j

Derell's height is 0.4 cm less than Asami's height

a - 0.4 = d

Ebi is 162.5 cm tall

e = 162.5

So, plug in 162.5 into any of the above equations were there is a variable of e

j + 2.5 = e

j + 2.5 = 162.5

Subtract 2.5 from both sides of the equation

j = 160 cm

Jose's height is 160 cm

Now, plug in 160 into any of the above equations where there is a j

d + 3.1 = j

d + 3.1 = 160

Subtract 3.1 from both sides of the equation 

d = 156.9 cm

Derell's height 156.9 cm

so, plug in 156.9 into any of the above equations where there is a d

a - 0.4 = d

a - 0.4 = 156.9

Add 0.4 on both sides of the equation

a = 157.3 cm

Asami's height is 157.3 cm



7 0
3 years ago
Read 2 more answers
Convert 77 degrees in Fahrenheit to Celsius temperature using the formula F = 9/5C + 32
maks197457 [2]
25
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6 0
3 years ago
Read 2 more answers
A. (-1,0)<br> B. (0, -2)<br> C. (-2, 0)<br> D. (0, -1)
Alinara [238K]

Answer:

the answer is B, (0, -2) :)

Step-by-step explanation:

3 0
3 years ago
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