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Ainat [17]
3 years ago
10

18 is 60% of what number

Mathematics
2 answers:
LuckyWell [14K]3 years ago
3 0
Let n be the number 18=60% of n
18=0.6n
18/0.6=n
30=n
Sonbull [250]3 years ago
3 0
<span>18/n = 60%/100% </span>
<span>18/n = 3/5 </span>
<span>Cross Multiply Then Divide... </span>

<span>18*5/3 = n </span>
<span>to get n = 30 </span>

<span>You could find out 1% = 18 ÷ 60 = 0.3 </span>
<span>100% = 100 x 1% = 100 x 0.3 = 30 </span>

<span>the answer is 30</span>
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Please explain how you got the answer, i dont understand the subject
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Answer:

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We have to find the value of m and c.

Let's substitute the value of x and y from the table.

When x=1, y=15,

15= m(1)+c

m +c= 15 ------(1)

Now substitute another set of x and y values.

When x=2, y=24,

24= m(2)+c

2m +c= 24

c= 24 -2m ------(2)

Let me rewrite the two equations so that it is clearer for you to see.

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c = 24 -2m -----(2)

subst. (2) into (1):

m+ 24-2m= 15

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subst. m=9 into (2):

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When x=3,

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From the intersection for the following sets.
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