A car travels at an average speed of 40 miles per hour for the first 100 miles of a 200-mile trip, and at an average speed of 50
1 answer:
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Answer: 12.32%
Step-by-step explanation:
1. is the original long side and
is the original short side.
2. The area of the original rectangle is .
3. The rectangle is extended 4% on the long sides and 8% on the short sides. therefore, the new long side is:
4. And the new short side is:
5. The new area is:
6. The percentage of increase is calculated by substracting the new area and the original area:
7. The result is:
(0.1232)(100)=12.32%