Complex sentence: At age 17, Mulli walked 70 kilometers to Nairobi in search of employment; he found work at a private home where his duties included tilling the garden, washing clothes, cooking in the kitchen, and various other domestic chores.
Split into simpler sentences: At age 17, Mulli walked 70 kilometers to Nairobi in search of employment. He found employment at a private home where his duties included tilling the garden, washing clothes, cooking in the kitchen, and various other domestic chores.