PAGE: 135 SET: Exercises PROBLEM: 1

Tasha orders ounces of soup of cost per ounce.

Let is weight of the salad and costs per ounce.

Make a table:

 Ordered items Weight Cost Total cost Soup Salad Total

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.

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