Answer:
the solution is in the figure
the number is -5
Answer:
.5 hour, or 30 minutes
Step-by-step explanation:
280 km / 80 kmh = 3.5 hr before limiter
280 km / (80-10) kmh = 4 hr after
so .5 hour from 3.5 to 4 hours. or 30 minutes
This is provided he matains this speed at all times.
3x + 17 - 5x = 12 - (6x+3)
4x + 17 = 9
4x = -8
X = -2
What do you need help with exactly ?