Question

Two cars, A and B, are traveling in the same direction on a highway. The ratio of their speeds is 3:4. If both cars increase their speeds by 15 km/h, the ratio of their speeds becomes 7:9. What is the original speed of the faster car (Car

  • B ?
A 120 km/h
B 110 km/h
C 100 km/h
D 80 km/h
E 90 km/h
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