Respuesta :

Tanya is 12 because Jessica is  5 , 
5-1= 4 then it says 3 times the age , so Tanya is 12 .. juist read it slow and take it step by step !
Nellz01
The equation to work out this would be (Tanya's age = T, Jessica's age = J):
T = (J x 3) - 1, so...
5 x 3 = 15 - 1 = 14
Tanya is 14
Hope this helps :)