Sophie is making 400 scones. She uses butter, sugar and Tlour in the ratio 2:1:9
Here are the costs of those ingredients.
The total mass of the butter, sugar and Tlour in each scone is 30g
Work out the total cost of these ingredients for the 400 scones.

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1