Answer:
87 adults
174 children
70 students
Step-by-step explanation:
58.33%. 7 divided by 12 equals 0.5833, so you can just move the decimal two places to the right to find the percentage.
Answer:
963 hours
Step-by-step explanation:
I subtracted 20 from the 981
64 is a perfect square that provides 8 rows , and each contains 8 seats, this is the first perfect square after 50
Answer:

Step-by-step explanation:
a = 3, b = 5, c = 1
plug into quadratic formula