Answer:
19 minutes
Step-by-step explanation:
720 divided by 60= 12
420 divided by 60= 7
So, 12 + 7 = 19 minutes
There are 3 girls .
9 students , 3 boys & 3 girls + another 3 boys because there are 3 more than girls so there are only 3 girls since you can't exceed 9 .
im guessing c, but dont answer it becuase im not really sure
a is the answer because it is