Ablueprint for a house shows the height of the house to be inches. the actual house is feet tall. what is the unit rate in feet per inch?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?