Barney can build a tree house in 15 hours. Working with David, they can build the
same tree house in 10 hours. How long does it take David to build the tree house if
he works alone?

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Ответ:

Fionaauggies

09.09.2022

Mathematics

Step-by-step explanation:

3.25/.8=4.0625

multiply that by 5.6

$22.75 is your answer

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Barney can build a tree house in 15 hours. Working with David, they can build the same tree house in 10 hours. How long does it take David to build the tree house if he works alone?