Respuesta :
Answer:
answer is B.)
Step-by-step explanation:
9/21=×/105 cross multiply
21x=945 divide 21 by both sides
x=945/21
x=45
Answer:
answer is B.)
Step-by-step explanation:
9/21=×/105 cross multiply
21x=945 divide 21 by both sides
x=945/21
x=45