Question

Krishna can write 4 books in 20 days. How many days
will be take to write such 6 books? ​

Answer 1

Answer:

4 books = 20 days

6 books= ?

you cross multiply the above statement^

$\frac{6 \times 20}{4}$

$\frac{120}{4}$

= 30 days

Hence 6 books will take 30 days.

Answer 2

Step-by-step explanation:

No. of days in which Krishna can write 4 books=20

No. of days in which Krishna can write 1 book=20/4

= 5

No. of days in which Krishna can write 6 books= 5 ×6

=30