I suppose the answer is b. Graph the system to show all possible solutions
Answer:
depending on which triangle
7^5/4 would be the answer to the question I think you are asking
{1, 2, 3, 4, 5, 6}
{1, 3, 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.