Respuesta :

C= 3x-5 T=x total:75
x+3x-5=75
x=20
20x3=60
60-5= 55

CHECK:
55+20=75

therefore Tiara is 20 years old
CamilaGrande428

Answer:

Christopher= 20 and Tiara= 55

Step-by-step explanation:

Christopher has 20

Tiara has 55

if I am not wrong those should be the right ages they have to form 75.

tell me if I am wrong.