Nina is selling three types of energy bars at a market stall. She bought 80 Enerbars at 30p per bar and 150 Grainbars at 40p per bar from her normal supplier.

She was also given 40 Amazebars as a promotion from a new supplier.

Nina sells the bars for ÂŁ2.40 and manages to sell all the Enerbars and Grainbars but only some Amazebars.

She makes a profit of ÂŁ520.80.

How many Amazebars did she sell?

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.