marieanthony41 marieanthony41

16-03-2020
Mathematics

contestada

Sarah's age is ten years more than twice Tanya's age. The sum of their ages is 64. How old is Sarah?

Respuesta :

kimiemiko00 kimiemiko00

20-03-2020

Sarah is 46.

n = Tonya’s age

2n + 10 = Sarah’s age

2n + 10 + n = 64

3n + 10 = 64

3n - 10 = 64 - 10

3n = 54

3n/3 = 54/3

n = 18

18 x 2 = 36

36 + 10 = 46

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