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Mathematics, 09.11.2020 01:20 fili20

The average height of Sally, Jackson, Tina and David is 150 cm per person. The average height of Sally, Jackson and Tina is
145 cm per person. Tina is 5 cm taller than David. Jackson is
4/5 as tall as David. How tall is Sally?
cm
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The average height of Sally, Jackson, Tina and David is 150 cm per person. The average height of Sa...

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