Respuesta :

XxItzAdiXx

Answer:

14

Step-by-step explanation:

I hope it will help You

-XxItzAdiXx

nirjaltamang99

Answer:

14 y/o

Step-by-step explanation:

assuming that Reem's age is X y/o,

Kelly's age= 5x - 7

according to the question,

(x)+(5x - 7) = 77

or, 6x= 77+7

or, x= 84/6

therefore, x= 14