What is 12.3 plus 15.2?

Answer this question! 30 points and brainliest! only if you know the answer.

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?