Please help need ASAP

If 20% of a number is 35, what is 50% of that number?

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?