Question

9. Find the increase or decrease percent in each of the following:
(i) The price of sugar increases from 7 40 per kg to ? 45 per kg.
iiThe number of students in a class decreased from 40 to 30.​

Answer 1

Answer:

I) 12.5% II) 25%

Step-by-step explanation:

I) Increase = 45-40 = 5

Gain%= 5/40 × 100

= 1/8 × 100

= 100/8

= 12.5%

II) Decrease = 40-30 = 10

Loss%= 10/40 × 100

= 1/4 × 100

= 100/4

= 25%