First get the same denominator 2/5=4/10 so from here do 7/10-4/10 the denominator stays the same and the numerator changes, 3/10 is the answer so Heather live 3/10 of a mile closer to the library than the school
The answer i got was
n=-3/4,n=-1
Answer:
18 hours
Step-by-step explanation:
we know that
Amy's dad drove the car at a constant speed and travel 585 miles in 13 hours
so
using proportion
Find out how long would it have taken the family to travel 810 miles
Let
x -----> the time in hours to travel 810 miles

Answer:
A car can travel 80 miles on 2 gallons of gasoline.
Step-by-step explanation:
Answer:$18
Step-by-step explanation: You subtract 30 minus 12 and you get 18