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:

30 seconds

Step-by-step explanation:

first the insect moves 2cm in 1 sec and fall 1 in another so he takes 2sec to climb one cm so to reach 15cm we will multiply 15×2=30