First to answer gets brainliest and 5 stars
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Answer:
180 ft^2
Step-by-step explanation:
larger box: 8*3*5 = 120
here we see that one side of the smaller box is unlabeled. but the total side length is 7, and the larger box is 3 long, so:
smaller box= (7-3)*3*5 = 60
total=120+60=180