Question

72 :b:4×5×6=60 Mulțumesc anticipat ​

Answer 1

72:b:4x5x6=60

72:b:4x5=60:6

72:b:4x5=10

72:b:4=10:5.

72:b:4=2

72:b=2x4

72:b=8

b=72:8

b=9