Jawab:
20
Penjelasan dengan langkah-langkah:
S = 250 KK
A ( Pemilik sawah ; 60
B ( Penggarap Sawah ; 90
A ∩ B ?
Bukan pemilik maupun penggarap ; 100kk
S = n(A) + n (B) + n (A ∩ B) + d
250 = n(A) + n (B) + n (A ∩ B) +100
n(A) + n (B) + n (A ∩ B) = 250 – 100
n(A) + n (B) + n (A ∩ B) = 150 KK
n(A) = 150 KK – B = 150 – 90 = 40
n(B) = 150 KK – A = 150 – 60 = 90
40 + 90 + n (A ∩ B) = 150 KK
n (A ∩ B) = 150 – 130 = 20 KK
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Jawab:
20
Penjelasan dengan langkah-langkah:
S = 250 KK
A ( Pemilik sawah ; 60
B ( Penggarap Sawah ; 90
A ∩ B ?
Bukan pemilik maupun penggarap ; 100kk
S = n(A) + n (B) + n (A ∩ B) + d
250 = n(A) + n (B) + n (A ∩ B) +100
n(A) + n (B) + n (A ∩ B) = 250 – 100
n(A) + n (B) + n (A ∩ B) = 150 KK
n(A) = 150 KK – B = 150 – 90 = 40
n(B) = 150 KK – A = 150 – 60 = 90
n(A) + n (B) + n (A ∩ B) = 150 KK
40 + 90 + n (A ∩ B) = 150 KK
n (A ∩ B) = 150 – 130 = 20 KK