Gina takes 2 of her friends out for lunch. She buys a bottle of water, a
sandwich, and a salad for herself and
each friend. The water costs $1.19 for
each bottle. One sandwich costs
$2.35. Each salad is $1.99.
What is the total amount of money
Gina spends? Explain how you solved
the problem.

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "