For these two rates, calculate the unit rate and determine if these two rates are proportional

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.