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zhannawk [14.2K]
4 years ago
7

Please help me idk this please

Mathematics
2 answers:
Burka [1]4 years ago
5 0
Hello There

Answers:

1) 6/25, .24

2) 7/100, .07

3) 9/25, .36

4) 1/5, .20

5) 3/20, .15

To convert percentage to decimal: To do this we simply move the decimal point 2 places to the left.

Example:

To change 25% to a decimal we will start with the decimal point on the right side of the 5

25.%

Now we move it two places to the left

.25%

And finally we take away the percentage symbol

.25

To convert percentages to a fraction we put it over 100 and then simplify:

Example:

To convert 11% to a fraction we need to put it over 100 (unless its a whole number)

 11
-----
100

And since this can't be simplified anymore this is our final answer


I hope I helped you understand this
-Chris

Masteriza [31]4 years ago
3 0
1.) 24% 24/100 0.24
2.) 7%    7/100  0.07
3.) 36%   36/100 (9/25) 0.36
4.) 20%   20/100 (1/5)  0.20
5.) 15%    15/100 (3/20) 0.15
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Answer:

x = 9/25

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3y + z = 1 ........(2)

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