Together Felipe and Emilio needed a combined time of 7.5 years to build their homes. Felipe finished in half the time of Emilio. How many months did it take Felipe to build his house? Let's think step by step and output the final answer after "####".
user
Let F = the number of years Felipe needed to build his house
Emilio = <<2=2>>2F
3F = 7.5 years
F = <<2.5=2.5>>2.5 years
2.5 years = 30 months
It took Felipe 30 months to build his house.
#### 30
Together Felipe and Emilio needed a combined time of 7.5 years to build their homes. Felipe finished in half the time of Emilio. How many months did it take Felipe to build his house?
train