Mathematics, 18.08.2021 02:00 Jasoncookies23
Have vehicles gotten more fuel-efficient over the years? Between 1960 and 1999 the size and shape of automobiles in
the United States 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 1668
760
576
520
530
538
544 1552
Passenger Car
Determine the average rate of change, in gallons of gas per year, from 1995 to 1997.
a.
AT
-0.25 gal/year
Ag
b.
A
Ag
0.25
gal/year
c.
Ag
At
gallyear
d. Ag
-4 gal/year
Answers: 2
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Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.
Answers: 1
Have vehicles gotten more fuel-efficient over the years? Between 1960 and 1999 the size and shape of...
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