9 In a bag there are red, green and purple counters.
38 of the counters are red.
16 of the counters are green.
What fraction of the counters are purple?

Savannah talked for 6 minutes on the phone. catherine talked for n minutes. catherine talked 3 times as long as savannah. how long did nathan talk?

The perimeter of a regular pentagon is represented by the expression 35d-25. daryl correctly wrote expression to represent the one side of the pentagon

Arectangular garden measures 5m by 7m. both dimensions are to be extended by the same amount so that the area of the garden is doubled. by how much should the dimensions increase, to the nearest tenth of a metre?