Question

a postman stamps 45 letters in 5 min how many will he stamp in 1 hour

Answer 1

Answer:

The postman will stamp 540 stamps in 1 hour

Step-by-step explanation:

No. of stamps postman will stamp in 5 minutes = 45

No. of stamps postman will stamp in 1 minute = 45/5 = 9

1 hour = 60 minutes

Therefore No. of stamps postman will stamp in 60 minutes ( 1 hour ) = 9 × 60 = 540

I hope it's clear