19.Jawaban benar seluruhnya=
Jawaban Benar =
20.
Jawab:
Jawab: A. 40
Penjelasan dengan langkah-langkah:
Soal 20:
B = A - 5
C = B - 15
= A - 5 - 15
= A - 20
A + B + C = 95
A + A - 5 + A - 20 = 95
3A - 25 = 95
3A - 25 + 25 = 95 + 25
3A = 120
A = 120/3
A = 40
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19.Jawaban benar seluruhnya=
Jawaban Benar =
20.
Jawab:
Jawab: A. 40
Penjelasan dengan langkah-langkah:
Soal 20:
B = A - 5
C = B - 15
= A - 5 - 15
= A - 20
A + B + C = 95
A + A - 5 + A - 20 = 95
3A - 25 = 95
3A - 25 + 25 = 95 + 25
3A = 120
A = 120/3
A = 40