Can someone please help me with this. It’s due tonight and please explain how you got it if you can

So me with this math problem. find the value of x the table shows the masses of 50 eggs. mass: 40-44 eggs: 6 mass: 45-49 eggs: x mass: 50-54 eggs: 12 mass: 55-59 eggs: 10 mass: 60-64 eggs: 7 mass: 65-69 eggs: 2 you!

Whats the name of the vertical axis

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week