Respuesta :

Hi there!

So first you need to know that there are 60 seconds in 1 minute.

So 3 and 1/2 minutes would be 3 times 60 seconds plus 30 seconds (1/2 minute is 30 seconds because 60 ÷ 2 = 30) :

(3 × 60) + 30 = Number of seconds

180 + 30 = Number of seconds

210 = Number of seconds → ANSWER


There you go! I really hope this helped, if there's anything just let me know! :)

Answer:

210 = Number of seconds → ANSWER

Step-by-step explanation:

Hope this helps!

Have a great day! :)