(8.10) (8.9)
1x72 2x36 3x24 4x18 6x12 8x9
Sssa
If we assume that "r" is unknown: -9r+8 or 8-9r It cannot be simplified further.
The floor and ceiling each have areas of 72 square feet.In order to now the area of the walls, we would also need to knowthe height of the ceiling.
7
what is the property of 8x9?
8x9=72; 72-12=60; 60-8=52.
1+2+3+4+5+6+7+(8x9)=100
1+2+3+4+5+6+7+(8x9)
72
8x9=72
98
8x9=72
using only whole numbers there are six answers: 1x72 2x36 3x24 4x18 6x12 8x9
8 * 9 --- 72
72
81 8x9 is 72