The whole area is a rectangle one. In order to get the area of a rectangle, the formula is length multiplied by the width. The length of the area is 7.5 meters and the width is 5.3 meters. Covering the whole area with foam needs 39.75 square meters of it.
The answer is D. Subtract 9y from both sides of the equation.
The correct answer would be B because .47 is bigger than 42/100 or .42
I think its 40 over 81, 40/81
Separate the shape in to separate rectangles
Then Separately find the areas of the rectangles
Answer will be the sum of all areas
Which = d) 109
