Ghostrider Ghostrider
  • 15-10-2024
  • Mathematics
High School

Wilma can mow a lawn in 80 minutes. Melissa can mow the same lawn in 120 minutes. How long does it take for both Wilma and Melissa to mow the lawn if they work together?

Answer :

wolf1728 wolf1728
  • 19-03-2025
There is a formula for that;
Total time = (Worker 1 * Worker 2) / (Worker 1 + Worker 2)
Total time = (80 * 120) / (80 + 120)
Total time = 9,600 / 200
Total time = 48 minutes





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