Help me with this topic 6 assignment

What is the least common multiple of 16 and 3?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.