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wlad13 [49]
2 years ago
14

Write 0.25% as a fraction or mixed number in simplest form

Mathematics
2 answers:
3241004551 [841]2 years ago
7 0
1/4  it is just like having 4 quarters so if you have for quarters get them and lay them on down and 0.25 is 1 quarter.
Elena-2011 [213]2 years ago
4 0
Any percentage (less than 100% obviously) can be written as:

The percentage (in this case 25) over 100. (\frac{25}{100})

However, this fraction can be simplified. If you divide the top number (the numerator) and the bottom number (the denominator) by 25, you get the fraction in its simplest form, which is \frac{1}{4}.

Obviously, this only works with some numbers, where both the numerator and denominator are divisible by a common factor. For example, if you have a fraction like 9/16, you can't divide it any further - 9/16 is the simplest form. However, due to 25 and 100 both having 25 as a common factor, you can get 1/4. 
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  see below

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She worked a total of 15 hours. If she makes $15 per hour tutoring and $9 per hour at the grocery store and made a total of $159
Ugo [173]

Answer:

11 hours she worked at the grocery store

Step-by-step explanation:

assuming,

the number of hours worked at tutoring = x

the number of hours worked at grocery store = y

which means,

the amount she made at tutoring = x* $15

the amount she made at grocery store = y*$9

we have 2 equations

<em>total number of hours</em>

1) x+y= 15  

<em>total amount she earned</em>

2) x* $15+ y* $9= $159

From equation 1

x+y= 15  

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<em>we replace this x value in equation 2</em>

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(15*15)- 15y+9y=159

225-6y=159

225-159=6y

66=6y

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<u>11=y</u>  <em>the number of hours she worked at grocery store. </em>

<em>we place y=11 in our derived x equation</em>

x=15-y

x=15-11

<u><em>x=4 </em></u><em>the number of hours she worked at tutoring. </em>

3 0
3 years ago
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