The lemonade sales at a baseball game are described as follows:
the number of small lemonades purchased is the number of mediums sold plus double the number of larges sold.
the total number of all sizes sold is 70.
one-and-a-half times the number of smalls purchased plus twice the number of mediums sold is 100.
use a system of equations and its matrix representation to determine the number of small, medium, and large
lemonades sold

Step-by-step explanation:

The number of small lemonades purchased is the number of mediums sold plus double the number of larges sold:

The total number of all sizes sold is 70:

One-and-a-half times the number of smalls purchased plus twice the number of mediums sold is 100:

The system of equations is:

Matrix to solve by gauss-jordan elimination:

Solving from first row:

Solving from second row:

From this:

answer: the correct answer is -32

step-by-step explanation: