Answer:
Step-by-step explanation:
To find the total weight of fruit, add the weights of the different kinds.
0.5 + 3.0 = 3.5 . . . total pounds of blueberries and kiwi
x + y . . . total pounds of blueberries and kiwi
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When adding quantities represented by unlike variables, we can only "indicate" the sum by showing a plus sign between the variables. When there are actual numbers, we can do the arithmetic and add them up.
