Question

please answer this question please explain and dont give unnecessary answers.
I will be thankful​

Answer 1

Answer:

acc to questions in An hour earthworm its length is 2.5 cm

Step-by-step explanation:

part 1:

after 4 hours = 4 × 1 hour

after 4 hours = 4 × 2.5

after 4 hours = 10 cm

part 2 :

time to grow an eart hworm 15 cm

it will take 6 hours to grow  an earth worm 15 cm

hours = 15÷per hour length

hours = 15÷2.5

hours = 6

Answer 2

Answer:

Required hours = 15 / 2.5

= 6