$\"\"$

Tasha orders $\"\"$ ounces of soup of cost $\"\"$ per ounce.

Let $\"\"$ is weight of the salad and costs $\"\"$ per ounce.

Make a table:

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

Observe the table:

Total cost of soup plus Total cost of salad equals Total cost of the lunch $\"\"$ .

$\"\"$ .

$\"\"$

Solve equation.

$\"\"$ (Original equation)

$\"\"$ (Simplify)

$\"\"$ (Subtract $\"\"$ from each side)

$\"\"$ (Apply additive inverse property : $\"\"$ )

$\"\"$ (Divide each side by $\"\"$ )

$\"\"$ (Cancel common terms)

Therefore, Tasha has ordered $\"\"$ ounces of salad for lunch.

$\"\"$

Tasha has ordered $\"\"$ ounces of salad for lunch.