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melamori03 [73]
3 years ago
15

Question

Mathematics
1 answer:
NeTakaya3 years ago
3 0

9514 1404 393

Answer:

  • 80 minutes
  • 34.4 km

Step-by-step explanation:

Use the second equation to substitute for d in the first equation.

  0.43t = 0.33t +8

Subtract 0.33t from both sides

  0.10t = 8

Multiply by 10

  t = 80 . . . . . . Michelle will catch Jen in 80 minutes

The distance traveled will be ...

  d = 0.43t = 0.43×80 = 34.4 . . . . km

The girls will have traveled 34.4 km when they meet.

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