Question

convert the following as decimal then convert a decimal as percentage (i) 7/8 (ii) 5/16 (iii) 9/80​

Answer 1

Solution :-

i) Given number = 7/8

8 ) 70 ( 0.875

64

____

60

56

_____

40

40

_____

0

_____

7/8 = 0.875

For converting decimal into percentage multiply that with 100

= 0.875 × 100

= 87.5 %

7/8 = 87.5%

ii) Given that 5/16

16 ) 50 ( 0.315

48

____

20

16

____

40

32

______

80

80

______

0

______

5/16 = 0.315

For converting decimal into percentage multiply that with 100

= 0.315 × 100

= 31.5 %

5/16 = 31.5%

iii)

Given that

9/80

80 ) 90 ( 0.1125

80

____

100

80

______

200

160

______

400

400

________

0

_________

9/80 = 0.1125

For converting decimal into percentage multiply that with 100

= 0.1125 × 100

= 11.25%

9/80 = 11.25%

Answer 2

Solution:-1:-

$\large\underline{\bf{0.875}}$

$\large\underline{\bf{0.875 \times 100}}$

$\large\underline{\bf{87.5\%}}$

Solution:-2:-

$\large\underline{\bf{0.3125}}$

$\large\underline{\bf{0.3125 \times 100}}$

$\large\underline{\bf{31.25\%}}$

Solution:-3:-

$\large\underline{\bf{0.1125}}$

$\large\underline{\bf{0.1125 \times 100}}$

$\large\underline{\bf{11.25\%}}$

For steps of division refer to attachment.