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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