Answer:
300 seconds
Step-by-step explanation:
First, you have to know how much half a minute is. Half a minute is 30 seconds.
Second, you multiply 30 by 10 because he answered 10 questions.
30 * 10 = 300
So your answer is 300 seconds
Lastly, have a great day! :)
21 + 15 = 36
36 x 3 = 108
Their father donated $108 to charity
Add it together, it should be 1,532,482 (I think)
N+8>11 is the answer you are looking for
