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Solution for What is 90 percent of 20:

90 percent * 20 =

(90:100)* 20 =

(90* 20):100 =

1800:100 = 18

Now we have: 90 percent of 20 = 18

Question: What is 90 percent of 20?

Percentage solution with steps:

Step 1: Our output value is 20.

Step 2: We represent the unknown value with {x}.

Step 3: From step 1 above,{ 20}={100\%}.

Step 4: Similarly, {x}={90\%}.

Step 5: This results in a pair of simple equations:

{ 20}={100\%}(1).

{x}={90\%}(2).

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both
equations have the same unit (%); we have

\frac{ 20}{x}=\frac{100\%}{90\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{ 20}=\frac{90}{100}

\Rightarrow{x} = {18}

Therefore, {90\%} of { 20} is {18}

• 1% of 20 is 0.2
  19.8
• 2% of 20 is 0.4
  19.6
• 3% of 20 is 0.6
  19.4
• 4% of 20 is 0.8
  19.2
• 5% of 20 is 1
  19
• 6% of 20 is 1.2
  18.8
• 7% of 20 is 1.4
  18.6
• 8% of 20 is 1.6
  18.4
• 9% of 20 is 1.8
  18.2
• 10% of 20 is 2
  18
• 11% of 20 is 2.2
  17.8
• 12% of 20 is 2.4
  17.6
• 13% of 20 is 2.6
  17.4
• 14% of 20 is 2.8
  17.2
• 15% of 20 is 3
  17
• 16% of 20 is 3.2
  16.8
• 17% of 20 is 3.4
  16.6
• 18% of 20 is 3.6
  16.4
• 19% of 20 is 3.8
  16.2
• 20% of 20 is 4
  16
• 21% of 20 is 4.2
  15.8
• 22% of 20 is 4.4
  15.6
• 23% of 20 is 4.6
  15.4
• 24% of 20 is 4.8
  15.2
• 25% of 20 is 5
  15
• 26% of 20 is 5.2
  14.8
• 27% of 20 is 5.4
  14.6
• 28% of 20 is 5.6
  14.4
• 29% of 20 is 5.8
  14.2
• 30% of 20 is 6
  14
• 31% of 20 is 6.2
  13.8
• 32% of 20 is 6.4
  13.6
• 33% of 20 is 6.6
  13.4
• 34% of 20 is 6.8
  13.2
• 35% of 20 is 7
  13
• 36% of 20 is 7.2
  12.8
• 37% of 20 is 7.4
  12.6
• 38% of 20 is 7.6
  12.4
• 39% of 20 is 7.8
  12.2
• 40% of 20 is 8
  12
• 41% of 20 is 8.2
  11.8
• 42% of 20 is 8.4
  11.6
• 43% of 20 is 8.6
  11.4
• 44% of 20 is 8.8
  11.2
• 45% of 20 is 9
  11
• 46% of 20 is 9.2
  10.8
• 47% of 20 is 9.4
  10.6
• 48% of 20 is 9.6
  10.4
• 49% of 20 is 9.8
  10.2
• 50% of 20 is 10
  10
• 51% of 20 is 10.2
  9.8
• 52% of 20 is 10.4
  9.6
• 53% of 20 is 10.6
  9.4
• 54% of 20 is 10.8
  9.2
• 55% of 20 is 11
  9
• 56% of 20 is 11.2
  8.8
• 57% of 20 is 11.4
  8.6
• 58% of 20 is 11.6
  8.4
• 59% of 20 is 11.8
  8.2
• 60% of 20 is 12
  8
• 61% of 20 is 12.2
  7.8
• 62% of 20 is 12.4
  7.6
• 63% of 20 is 12.6
  7.4
• 64% of 20 is 12.8
  7.2
• 65% of 20 is 13
  7
• 66% of 20 is 13.2
  6.8
• 67% of 20 is 13.4
  6.6
• 68% of 20 is 13.6
  6.4
• 69% of 20 is 13.8
  6.2
• 70% of 20 is 14
  6
• 71% of 20 is 14.2
  5.8
• 72% of 20 is 14.4
  5.6
• 73% of 20 is 14.6
  5.4
• 74% of 20 is 14.8
  5.2
• 75% of 20 is 15
  5
• 76% of 20 is 15.2
  4.8
• 77% of 20 is 15.4
  4.6
• 78% of 20 is 15.6
  4.4
• 79% of 20 is 15.8
  4.2
• 80% of 20 is 16
  4
• 81% of 20 is 16.2
  3.8
• 82% of 20 is 16.4
  3.6
• 83% of 20 is 16.6
  3.4
• 84% of 20 is 16.8
  3.2
• 85% of 20 is 17
  3
• 86% of 20 is 17.2
  2.8
• 87% of 20 is 17.4
  2.6
• 88% of 20 is 17.6
  2.4
• 89% of 20 is 17.8
  2.2
• 90% of 20 is 18
  2
• 91% of 20 is 18.2
  1.8
• 92% of 20 is 18.4
  1.6
• 93% of 20 is 18.6
  1.4
• 94% of 20 is 18.8
  1.2
• 95% of 20 is 19
  1
• 96% of 20 is 19.2
  0.8
• 97% of 20 is 19.4
  0.6
• 98% of 20 is 19.6
  0.4
• 99% of 20 is 19.8
  0.2
• 100% of 20 is 20
  0

Solution for What is 20 percent of 90:

20 percent *90 =

( 20:100)*90 =

( 20*90):100 =

1800:100 = 18

Now we have: 20 percent of 90 = 18

Question: What is 20 percent of 90?

Percentage solution with steps:

Step 1: Our output value is 90.

Step 2: We represent the unknown value with {x}.

Step 3: From step 1 above,{90}={100\%}.

Step 4: Similarly, {x}={ 20\%}.

Step 5: This results in a pair of simple equations:

{90}={100\%}(1).

{x}={ 20\%}(2).

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both
equations have the same unit (%); we have

\frac{90}{x}=\frac{100\%}{ 20\%}

Step 7: Again, the reciprocal of both sides gives

\frac{x}{90}=\frac{ 20}{100}

\Rightarrow{x} = {18}

Therefore, { 20\%} of {90} is {18}