Respuesta :
Answer:
2.5 hours/3 hours
Step-by-step explanation:
If it takes the beginner 6 hours and experienced tinter 3 hours working together it should take roughly 2.5 hours to 3 hours because the time would be cut in half.
It will take them 2 hours to do the job together .
The tinter can tint a car in 3 hours . He does it at the rate of 1 / 3 per hour
A beginner needs 6 hours to do the same job. He does it at the rate of 1 / 6 per hour
For both of them to do the same job , the rate can be calculated below.
1 / 3 + 1 / 6 = 1 / 2 per hour
If they do the job at the rate of 1 / 2 per hour, how long will it take to complete 2 / 2 ?
2 / 1 = 2 hours
The time it will take them to do the job is 2 hours.
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