Answer:
30 shirts
Step-by-step explanation:
A 12-day trip is 6 times as long as a 2-day trip, so he should pack 6 times as many shirts:
6 × 5 shirts = 30 shirts
Luca should pack 30 shirts for his 12-day trip.
30
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y(y + 4) sq ft = is the answer
hope it helps.