13, 27 ,81, 21, 43, 48, 23, 39, 45 al the prime numbers?

Ateacher asked his students to vote for an animal to be their class pet. five-eighteenths of the students voted for a rabbit, voted for a snake, and voted for a hamster. which statement is true? more students voted for a hamster than a snake. more students voted for a snake than a rabbit. more students voted for a rabbit than a hamster. more students voted for a snake than a hamster.

What is the missing step in this proof ?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?