contestada

Elisa is 9 years old. When 7 is subtracted from Krista’s age and 1/4 of the difference is taken , the result is equal to Elisa’s age . How old is Krista?

Respuesta :

Answer:

43

Step-by-step explanation:

just go backwards so multiply 9 by 4

36

then add 7

43

then to check go 43-7

36-1/4

9

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