Answer:
b = 6
c = 9
Step-by-step explanation:
if triangles PQR and JHI are congruent, then (b + 48) must equal 9b
9b = b + 48
8b = 48
if triangles PQR and JHI are congruent, then (c + 9) must equal 2c:
2c = c + 9