Electricity 83351
Three roommates divided the electricity bill according to the time spent on the PC. Adam and Brano's time is divided in the ratio of 1:4, and Brano and Damian's time is divided in the ratio of 2:5.
In what proportion do all three boys spend the time at the PC?
How much will Adam pay if they pay 30 euros a month together?
In what proportion do all three boys spend the time at the PC?
How much will Adam pay if they pay 30 euros a month together?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- prime numbers
- least common multiple (LCM)
- expression of a variable from the formula
- arithmetic
- division
- basic functions
- ratio
Units of physical quantities:
Grade of the word problem:
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