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17-12-2018
Mathematics

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Ana age is 8 years less than 4 times her sister's age .Write an expression for Ana's age.How old is Ana if her sister is 5 years old ?

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tramserran tramserran

21-12-2018

Answer: 4x - 8 ; 12 yrs old

Step-by-step explanation:

sister: x

Ana: 4x - 8

when x = 5, Ana = 4(5) - 8

= 20 - 8

= 12

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