A lever in like a pully becasue it can pull just as so. Hope that helped. It is what my teacher taught me.
Less than mean subtracting
A= 3400t + 600 | given formula
21000= 3400t + 600 | substitute the altitude into the formula
20400 = 3400 | subtract 600 from both sides
6 = t | divide both sides by 3400
6 minutes
Answer:
1125.67
Step-by-step explanation: