Respuesta :
Answer:
21 hours
Step-by-step explanation:
84,000 = 4,000x, x = hours
84,000 ÷ 4,000 = x
x = 21
good luck, i hope this helps :)
Answer:
21 hours
Step-by-step explanation:
84,000 = 4,000x, x = hours
84,000 ÷ 4,000 = x
x = 21
good luck, i hope this helps :)