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mart [117]
3 years ago
7

Car A is traveling at a speed of 61 mph and is increasing its speed 0.2 mph each second. Car B is traveling at a speed of 75 mph

and is decreasing its speed 0.5 mph each second. After how many seconds will the cars be traveling the same speed , and how fast will they be going?
A . After 65 seconds , the cars will both be traveling at 20 mph
B. After 20 seconds , the cars will both be traveling at 65 mph
C. After 10 seconds , the cars will both be traveling at 66 mph
D. After 18 seconds , the cal will both be traveling at 70 mph
Mathematics
1 answer:
Stella [2.4K]3 years ago
6 0

Answer:

The answer is B. After 20 seconds car A will be traveling at 65mph. This is because the speed is increasing 0.2 per second so 0.2 times 20 would equal 4. 61+4=65 Car B will be travelling at 65mph too because it is decreasing 0.5 per second and 0.5 times 20 would equal 10 and 75mph - 10mph would equal 65mph. The answer is A

Step-by-step explanation:

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