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2 years ago

6

Sally is 140cm tall and Tara is 160cm. What is the ratio of their heights (in its lowest terms)

1 answer:

Rom4ik [11]2 years ago

3 0

Answer:

140:160----simplify by 10

14:16--------simplify by 2

7:8 is the lowest

Step-by-step explanation:

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$= > ( - 3s + 2t)(4s - t) \\ \\ = > - 3s(4s - t) + 2t(4s - t) \\ \\ = > ( ( - 3s) \times 4s )- (( - 3s) \times t) + (2t \times 4s) - (2t \times t) \\ \\ = > - 12 {s}^{2} - ( - 3st) + 8st - 2 {t}^{2} \\ \\ = > -12 {s}^{2} + 3st + 8st - 2 {t}^{2} \\ \\ = > - 12 {s}^{2} + 11st - 2 {t}^{2}$

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