Find the ragio p:r if p:a=1:2, a:b=2:3, b:c=5:1, c:r=3:2

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

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?

What is 140% of 25? because i need