15 because 3/4 is equivalent to 75% and 75% of 20 is 15.
Answer:
At 6 p.m., the number of cars in a parking lot is 120
Step-by-step explanation:
At 1 p.m., the number of cars in a parking lot is 78.
Given,

Note that

So, 1 p.m. goes for n = 0, then
6 p.m. goes for n = 5
Thus,

11x2=22
22x6=132
I believe the answer is 132
1.) 144
2.) 8
3.) 262.5
4.) 36
5.) 630
6.) 440
Answer:
54 Minutes
Step-by-step explanation:
45 minutes/5 walls/4 people=2.25 minutes per person per wall
2.25 times 6 times 4=54 minutes