972 / 3 = $324
Which means that each person will pay $324
Answer:
2.4 hours
Step-by-step explanation:

2.4 hours
Answer:
$400
Step-by-step explanation:
20% = 1/5
$80 x 5 = $400
Answer:
-3
Step-by-step explanation:
-1 -2 = -3
Decibel is directly proportional to number of cars passing the point. That is,
69 db ----- 139 cars
x db ----- 17 cars
x = number of cars passing the point per minute on a weekend.
Then,
x= (69*17)/139 = 8.43 db ≈ 8 db