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Rina8888 [55]
3 years ago
11

How do I find the value of z?

Mathematics
1 answer:
Shalnov [3]3 years ago
3 0
Hello!

The answer is z = 16..

Solve it like this..

#1) Regroup terms

-3 = -7+z/4 ---> -3 = z/4 - 7

#2) Add 7 to both sides.

-3 = z/4 - 7 ---> -3 + 7 = z/4

#3) Do the addition.

-3 + 7 = z/4 ---> 4 = z/4

#4) Multiply both sides by 4.

4 = z/4 ---> 4 * 4 = z.

#5) Do the multiplication.

4 * 4 = z ---> 16 = z

Hope this helps! ☺♥
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Answer:

Step-by-step explanation:

The total number of workers is our unknown. If 40% of this unknown number are women and the number of women is 1380, then the equation looks like this:

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Since we have given that

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0

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Total part of distance covered in these four days by Jen is given by

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22-16.125=5.875\ miles

Hence, 5.875 miles run on Friday to reach her goal by Jen.


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