Answer:
$960
Step-by-step explanation:
30^2 is 900
30x2 is 60
900+60 is 960.
Hope this helps plz hit the crown :D
Answer:
40
Step-by-step explanation:
5 people in the room have 5*40 = 200 years altogether
a new person is X years old.
Now 6 people have (200 + x) years altogether.
Mean age of 6 people is (200+x)/6. and it is also = 40.
So,
(200+x)/6 = 40
200 + x = 240
x = 40
4 hours = 4×60
= 240 minutes
240÷12
= 20 songs
the correct answer is 20 songs
