You could round 77 to 80 and 65 to 70 and then add 70 and 80 and you will get 150
70dB is represented by 100cars in 60sec. Therefore if the number of cats is reduced by 3/4 in the same amount of time(60s), then the decibel level will reduce by 3/4 also. So 70dB * .25= 17.5dB
Answer:
Scatter plots are like graphs in which you plot points. The rate can vary. They are mainly used to compare temperatures, or weather. Also other types of data like population.
I don't know I just need the points Lol sorry