Answer:
21 : 20
Step-by-step explanation:
*Change the unit from minute into second first
bashiru:
4 minutes x 60 = 240 seconds
(Explanation: because 1 minute have 60 seconds, then 4 minutes= 4 x 60 seconds)
240 seconds + 12 seconds = 252 seconds
kunle:
4minutes x 60 = 240 seconds
bashiru : kunle
252 : 240 ‹-----Simplify (divide by 12)
21 : 20
Thus, the answer is 21:20
Hope this helps ^_^