15 minutes is 25% of an hour. You can tell this because there are exactly 4 15 minute periods in one hour.
Hope this helped.
7 hours
175 miles /25 miles per hour! = 7 hours
Answer:
x=-3, y=9. (-3, 9).
Step-by-step explanation:
-9x-5y=-18
4x+5y=33
---------------
-5x=15
x=15/-5
x=-3
4(-3)+5y=33
-12+5y=33
5y=33-(-12)
5y=33+12
5y=45
y=45/5
y=9
The justification for step 3 is incorrect. It should be x = 10/8.
Hope this helps =)
Answer:
1 gallon = 4 quarts
4 × 9 = 36
36 quarts are in 9 gallons
