Painting rooms
If Daniel paints for three hours daily, he completes it in 7.5 days. How many hours a day would he have to work to finish the job 1.5 days earlier?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- equation
- expression of a variable from the formula
- basic functions
- ratio
- inverse proportion
- direct proportionality
- simple proportion
Units of physical quantities:
Themes, topics:
Grade of the word problem:
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