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5 weeks -> $20
Divide 5:
1 week -> $4
Replace week with "w" and $ with "s"
Answer:
Step-by-step explanation:
A = π r²
A = 11²π - 3²π = ( 121 - 9 ) π = 112 π ≈ 112 × = 352 cm²
( 112 × 3.14 = 351.68 cm²)