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Anastasy [175]
3 years ago
11

Melvin plays tennis and swims for a total of 110 minutes every day. He plays tennis for 40 minutes longer than he swims.

Mathematics
1 answer:
tangare [24]3 years ago
3 0

Answer:

  • See below

Step-by-step explanation:

<h3>Part A</h3>

<u>Total time is 110 min, the equation:</u>

  • x + y = 110

<u>Tennis takes 40 min longer than swimming, the equation:</u>

  • x = y + 40
<h3>Part B</h3>

<u>Substitute x and solve for y:</u>

  • y + 40 + y = 110
  • 2y = 110 - 40
  • 2y = 70
  • y = 35 min

Swimming takes 35 min

<h3>Part C</h3>

<u>Let x = 70, then we get:</u>

  • 70 + y = 110
  • 70 = y + 40

For the first equation we get y = 40 min

For the second equation we get y = 30 min

No solution, therefore it is not possible

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Step-by-step explanation:

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Keywords: Associative property, Properties

Learn more about associative property at:

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