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5 votes
20% of 150 is what number?

2 Answers

6 votes
20/100 * 150 = 30

so the answer is 30
User Drakonli
by
8.3k points
4 votes
To find a number's , let's say "x%" you should multiply that number by,
\frac { x }{ 100 } , so we want to find 150 's 20% , so we will multiply , 150 with
\frac { 20 }{ 100 } , so :


150\cdot \frac { 20 }{ 100 } \\ \\ We\quad can\quad simplify\quad \frac { 20 }{ 100 } \\ \\ \frac { 20 }{ 100 } =\frac { 2\cdot 10 }{ 10\cdot 10 } =\frac { 10 }{ 10 } \cdot \frac { 2 }{ 10 } =1\cdot \frac { 2 }{ 10 } =\frac { 2 }{ 10 } \\ \\ 150\cdot \frac { 2 }{ 10 } =\frac { 150\cdot 2 }{ 10 } =\frac { 300 }{ 10 } =30\\ \\ %20\quad of\quad 150\quad is\quad 30
User Rahul Rout
by
8.0k points

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