subject
Mathematics, 30.10.2021 01:00 matthewquattlebum

It takes an older employee 10 hours to shovel the snow from a sidewalk, but a younger employee can shovel the same sidewalk in 3 hours. How long will it take them to clear the walk if they work together?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?
Answers: 3
question
Mathematics, 21.06.2019 19:30
Which inequality has a dashed boundary line when graphed ?
Answers: 2
question
Mathematics, 21.06.2019 20:30
What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)
Answers: 2
question
Mathematics, 21.06.2019 23:30
Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.
Answers: 3
You know the right answer?
It takes an older employee 10 hours to shovel the snow from a sidewalk, but a younger employee can s...
Questions
question
Mathematics, 25.01.2020 06:31