Tahlia and Elizabeth are sisters. Tahlia is 4/ 7 of her sister's age. In 8 years' time, the total age of the two sisters would be 38. What would be their total
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Pertanyaan
Tahlia and Elizabeth are sisters. Tahlia is 4/ 7 of her sister's age. In 8 years' time, the total age of the two sisters would be 38. What would be their total age 6 years later? (Express your answer in the simplest form ) tolong bantu hari ini hrs kumpul
1 Jawaban
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1. Jawaban egaariannooz3h42
T = 4/7 S
T : S = 4 : 7
(T + 8) + (S + 8) = 38
T + S = 38 - 16
T + S = 22
4S/7 + S = 22
4S + 7S = 154
11S = 154
S = 154/11
S = 14
T = 4/7 x S
T = 4/7 x 14
T = 4 x 2
T = 8
Umur mereka 6 tahun kemudian
T = 8 + 6 = 14 tahun
S = 14 + 6 = 20 tahun