Question

An insect climbs 2cm up a slippery rod in one second and slips down by 1 cm over the next second. How many

seconds will the insect take to reach the top of the rod 15cm high?​

Answer 1

Answer:

hii

Step-by-step explanation:

here..

insect climb 2 cm every 1 second.

and down 1 cm every 1 second.

so......

every 2 seconds insect climb 1 cm

so 2 sec = 1cm

. 4 sec = 2cm

. 6sec= 3cm.

8sec= 4cm.

10sec = 5cm.

...... ......

..... ......

24sec = 11cm

26sec= 12cm

28sec= 13cm.

29sec= 15 cm.

here see ....

every 1 sec climb= 2cm

. in 26sec his done = 13cn

. so next sec 27sec = 15 cm.

I hopes its helps u.

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