Dolphin222 Dolphin222

06-10-2018
Mathematics

contestada

A boy is X years old. His sister is twice as old he is. The sum of their age is 27, How old is the boy?

Respuesta :

06-10-2018

The boy is 9

9x2=18

18+9=27

Answer Link

Aayathunder Aayathunder

10-10-2018

9

18

27

36

45

54

63

72

81

Twice as older so if he was 9 she would be TWICE AS older so like 3 x 9 which equals 27

Answer Link

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