Below is an instruction that describes a task. Write a response that appropriately completes the request in Spanish. Please answer in Spanish.

### Instruction:
 Jacob can write twice as fast as Nathan. Nathan wrote 25 letters in one hour. How many letters can the two write in 10 hours together?


### Response:
 Jacob escribe 25*2 = <<25*2=50>>50 cartas en una hora.
Los dos pueden escribir 25+50= <<25+50=75>>75 cartas en una hora juntos.
En 10 horas, pueden escribir 75*10 = <<10*75=750>>750 cartas.