Question

Express :
(i) * 5 as a percentage of 25.
(iii) 700 gm as a percentage of 2.8 kg.

Answer 1

Answer:

i) 5/25 =

5 ÷ 25 =

0.2

2.8 kg = 2800 g. Percentage = 700/2800 * 100 = 1/ 4 * 100 = 25%.

Answer 2

the answer is 20%

Q1) Express :

(i) Rs 5 as a percentage of Rs 25.

(ii) 80 paise as a percent of Rs 4.

(iii) 700 gm as a percentage of 2.8 kg.

(iv) 90 cm as a percent of 4.5 m.

Solution:

(i)\frac{5}{25}\times100=20\%(i)255×100=20%

(ii) 80 paise as a percent of 400 paise (as/rupee = 100 paise)

\frac{80}{400}\times100=\frac{100}{5}=20\%40080×100=5100=20%

(iii) 700 gm as a percentage of 2800 gm

( 2.8 x 1000 = 28000 gm , 1 kg = 1000gm)

\frac{700}{2800}\times100=\frac{100}{4}=25\%2800700×100=4100=25%

(iv) 90 cm as a percent of 4.5 m

Or 90 cm as a percent of 450 cm

\frac{90}{450}\times100=20\%45090×100=20%

hope this helps mate