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hichkok12 [17]
3 years ago
13

If 50% of a number is 150 and 30% of the same number is 90, find 80% of that number.

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
8 0

Answer:

A. 240

B. 225

Step-by-step explanation:

50% of ? = 150

80% of ? = 150 x (80%/50%)
80/50 = 1.6

%/% = 1

1.6 x 1 = 1.6

80% of 300 = 150 x 1.6

150 x 1.6 = 240

80% of 300 = 240.

25% of 900 = ?

900 x 25 = 22500

22500/100 = 225

900 x 25% = 225

225 people bring their lunch to school on Thursday.

Natali [406]3 years ago
5 0

Answer:

5/100x900=180

Step-by-step explanation:

answer 180

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(a(1) = 5/3<br> (a(n) = a(n − 1).(-9)<br> What is the 3rd term in the sequence?
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3 years ago
A. x-int:-0.5,y-int:1<br>B. x-int:0.5,y-int:1<br>C. x-int:-0.5,y-int:-1<br>D. x-int:1,y-int:0.5
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The correct answer is:  [D]:  " <span>x-int : 1 ,  y-int:  0.5  " .
_____________________________________________________
Note:
_____________________________________________________
The "x-intercept" refers to the point(s) at which the the graph of a function (which is a "line", in this case) cross(es) the "y-axis".  

In other words, what is (are) the point(s) of the graph at which "x = 0<span>" ?
</span>
By examining the graph, we see that when " x = 0" ; y is equal to:  "1<span>" .
</span>
So; the "x-intercept" is at point:  "(0, 1)" ; or, we can simply say that the 
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_________________________________________________________</span>  Note:
_____________________________________________________
The "y-intercept" refers to the point(s) at which the the graph of a function (which is a line, in this case) cross(es) the "x-axis".  

In other words, what is (are) the point(s) of the graph at which " y = 0 <span>" ?
</span>
By examining the graph, we see that when " y = 0 " ; x  is equal to:  "0.5<span>" .
</span>
So; the "x-intercept" is at point:  "(0.5, 0)" ; or, we can simply say that the 
   "y-intercept" is:  "0.5 " .<span>
______</span>_________________________________________________
This would correspond to:<span>
_______________________________________________________
           Answer choice:  [D]:  </span>" x-int: 1 , y-int: 0.5  " .
_______________________________________________________
     {that is;  The "x-intercept" is: "0" ; and the "y-intercept" is:  "0.5 ".} .
_______________________________________________________
5 0
3 years ago
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