Question

# What percent is $$9$$ out of $$20$$?

Solution

## $$9$$ out of $$20=45 \%$$Explanation:"Perçent" or "$$\%$$" means "out of $$100 "$$ or "per $$100^{\prime\prime}$$, Therefore $$x \%$$ can be written as $$\frac{x}{100}$$We can write and solve this as:$$\frac{x}{100}=\frac{9}{20}$$$$\therefore 100 \times \frac{x}{100}=100 \times \frac{9}{20}$$$$\therefore x=5\times 9$$$$\therefore x=45\%$$Thus, 9 out of $$20=45\%$$Mathematics

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