12+(-6)-[(-21)/3]
=6-(-7)=6+7=13
Answer:
Approximately 3,333 acres per hour.
Step-by-step explanation:
Let's first find out how many hours are in 3 days.
There are 24 hours in one day.
24 times 3 = 72.
There are 72 hours in 3 days.
So the wildfire is destroying 240,000 acres every 72 hours.
240,000 divided by 72 = 3,333.3333, which is about
3,333 acres per hour.
Answer:
b) 60mph
Step-by-step explanation:
Referring to the fact that he goes from marker 10 to marker 115, which is 100 miles, while taking 1.75 hours
We will divide 100 by 1.75
100/1.75=60
So the answer is 60 mph
