find × such that the ratio (28+k): (40+k)= 3:4
Matematika
louissamuel222
Pertanyaan
find × such that the ratio (28+k): (40+k)= 3:4
1 Jawaban
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1. Jawaban MuhammadEricElkayana
28+k/40+k = 3/4
→112+4k = 120+3k
→k = 120-112
→k = 8
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