Question

Illally perlenldle children?
There are 10 pencils in a box. 60% of them are red and the rest are black.
Find the number of black pencils.​

Answer 1

Answer:

The number of black pencils are 4

Step-by-step explanation:

60% of total number of pencils are red

there are 60/100 red pencils

then there are (100-60)/100 were black pencils

therefore 40/100 pencils are black

now among 100 pencils number of black pencils are 40

then among 10 pencils number of black pencils are (40/100) × 10 = 4

therefore there are 4 black pencils in the box