If 5 biscuits cost 40p
1 biscuit would cost (40p divided by 5) 8p
8p multiplied by 3 (to get 3 biscuits) would cost 24p
3 biscuits cost 24p
X plus y plus z equals 180. A triangles angles should ALWAYS add to 180. No ands or buts.
-3 x + 1 > y
1/2x -1 (less than or equal to) y
See photo
A)Theorem. every theorem can be proved.