myapoulos myapoulos

24-04-2020
Mathematics

contestada

Student A, B and C con complete a puzzle in 20 min, 15 min, and 30 min respectively. If all three student work together, how long will it take to complete the puzzle?

Respuesta :

hannah51536 hannah51536

24-04-2020

Answer:

~12.6 minutes

Step-by-step explanation:

The answer to the question is the average of all their times.

Add the numbers together: 20+15+30=65

Divide 65 by 3 to get about 12.6 minutes

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