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rusak2 [61]
3 years ago
7

Have vehicles gotten more fuel-efficient over the years? Between 1960 and 1999 the size and shape of automobiles in the United S

tates has changed almost annually. The amount of fuel consumed by these vehicles has also changed. The following table describes the average fuel consumption per year per passenger car in gallons of gasoline.
Year, t 1960 1970 1980 1990 1995 1997 1998 1999
Gallons Consumed Per Passenger Car
668
760
576
520
530
538
544
552

Determine the average rate of change, in gallons of fuel used per passenger car, from 1960 to 1970.
Mathematics
2 answers:
slava [35]3 years ago
7 0

Answer:

9.20 gallons of fuel used per passenger car.

Step-by-step explanation:

The given table shows average fuel consumption per year per passenger of fuel consumed by the vehicles in United States.

We have to determine the average rate of change in gallons of used per passenger car between 1960 to 1970.

On a graph average rate of change, of fuel used per passenger car

= \frac{\text{Gallons of fuel used}}{\text{Number of years}}

= \frac{(760-668)}{1970-1960}=\frac{92}{10}=9.20

Therefore, answer is 9.20 gallons of fuel used per passenger car.

Angelina_Jolie [31]3 years ago
5 0
Average rate of change is the slope of two coordinate points or values.
Therefore,
Given values are : 
(1960,668) and (1970,760)
Slope = (760 - 668)/(1970 - 1960)
Slope = 92/10
Rate of change will be 9.2 gallons/passenger
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