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Virginia Norris
Mathematics
26 December, 06:08
15 is what percentage of 30
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Cedric Evans
26 December, 06:20
0
15:30*100 =
(15*100) : 30 =
1500:30 = 50
Now we have: 15 is what percent of 30 = 50
Question: 15 is what percent of 30?
Percentage solution with steps:
Step 1: We make the assumption that 30 is 100% since it is our output value.
Step 2: We next represent the value we seek with $x$.
Step 3: From step 1, it follows that $100/%=30$.
Step 4: In the same vein, $x/%=15$.
Step 5: This gives us a pair of simple equations:
$100/%=30 (1) $.
$x/%=15 (2) $.
Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have
$/frac{100/%}{x/%}=/frac{30}{15}$
Step 7: Taking the inverse (or reciprocal) of both sides yields
$/frac{x/%}{100/%}=/frac{15}{30}$
$/Rightarrow x=50/%$
Therefore, $15$ is $50/%$ of $30$.
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Caleb Raymond
26 December, 06:32
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50%
Step-by-step explanation:
30/15 = 2
100/2 = 50
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