To Find Percentage Of A Given Quantity -
Examples -
To find the percentage of a given quantity, we first express the given percent as a fraction and then multiply it by the given quantity.
Exercise : 1)
Find: a) 35 % of 700
Ans.) 35
35 % of 700 = ------- X 700
100
[100 and 700 have the common factor 100]
= 35 X 7 = 245 (Ans.)
2
b) Find 16 ------ % of $ 3000
3
Ans.) First we have to convert mix fraction to improper fraction.
2 (16 × 3) + 2
16 ------- % = -------------- %
3 3
2
Now, 16 ------ % of $ 3000
3
50
= ------- % of $ 3000
3
50 1
= -------- X -------- X 3000
3 100
[3 and 3000 have the common factor 3 & 100 and 1000 have the common factor 100]
= $ 50 × 10 = $ 500 (Ans.)