How many significant figures does the following number have: 0. 0 0 2 0 4 0
1 answer:
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Answer:
<em>Worker B needs 9 days to finish the rest of the work</em>
Step-by-step explanation:
<u>Proportions</u>
Worker A finishes a project on his own in 12 days and worker B does the same in 16 days.
Worker A does 1/12 of the project in one day and worker B does 1/16 of the project in one day. When working together, they do
After 3 days they have completed:
parts of the project, this means it still remains:
parts of the project and it is done by B alone. Since B does per day, he now takes
days to complete the project.
Worker B needs 9 days to finish the rest of the work
Answer: There are 152 apples.
The explanation is shown below:
- You need to write the following three equations, where is the the number of apples,
is the number of pears and
is the number of oranges:
1)
2)
3)
- You must substitute the equation 3) into the equation 2):
- Now, you need to solve for in the equation 1) and then you must substitute it into
:
- Solve for , as following:
- Therefore, there are 152 apples.