Question

Find the time taken to fill 11 water bottles if 7 such bottles are filled
in 21 minutes.​

Answer 1

Answer:

33 mins

Step-by-step explanation:

7 bottles filled in 21 mins

1 bottle filled in = 21/7

11 bottles filled in= 21/7×11

= 33 mins

Hope my answer helps you.

Answer 2

time taken to fill 7 bottles = 21 mins

∴time taken to fill 1 bottle = 21 mins ÷ 7

                                          = 3 mins

now,

time taken to fill 11 bottles = 3mins × 11

                                            → 33 mins