Question

convert the following to percent
a, 16/20
b, 0.07
c, 4/4
d,21/50​

Answer 1

Answer:

a) 16/20 x 5/5 = 80/100 = 80%

b) 0.07 = 7/100 = 7%

c) 4/4 = 100/100 = 100%

d) 21/50 x 2/2 = 42/100 = 42%

Answer 2

To convert : fractions into percentage .

Given fractions and decimal numbers  : a ) $\frac{16}{20}$    b) $0.07$     c ) $\frac{4}{4}$      d) $\frac{21}{50}$

Solution :

• A percentage is a fraction of an amount expressed as a particular number of hundredths of that amount.

• It is denoted by means $\%$.
• Fractions can be converted into percentages and vice-versa.

• Percentages are reversible.
• To convert into percentage  we divide fractions and then multiply the obtained answer by $100$.

        a ) $\frac{16}{20} = (\frac{16}{20}\times 100)\% = (0.8 \times 100)\% = 80\%$

        b) $0.07 = (0.07 \times 100 ) \% = 7\%$

        c ) $\frac{4}{4}= ( \frac{4}{4}\times 100)\% = (1\times 100)\%= 100\%$  

       d ) $\frac{21}{50} = (\frac{21}{50}\times 100 ) \% = 42\%$  

Hence, percentage of a ) $\frac{16}{20}$    b) $0.007$     c ) $\frac{4}{4}$      d) $\frac{21}{50}$  will be , $80\%, 0.7\%, 100\%, 42\%$ respectively .