the perimeter of a rectangular garden is 40 meters. the length of the garden is 1 meter less than twice its with. what are the dimensions of the garden?

Answer 1

2(w + 2w-1) = 40
2(3w-1) = 40
3w-1 = 20
3w = 21
w = 7

so, the garden is 7 x 13 meters

Answer 2

1 curry and 1 tea cost £4.
2 curries and 2 puddings cost £9.
1 pudding and 2 teas cost £2.
What do you have to pay in total for
1 curry, 1 pudding and 1 tea?
What does each item cost on its own?