5 gallons x gallons
------------- = ----------------
12 hours 240 hours
using cross products
5 * 240 = 12 * x
1200 = 12 x
divide each side by 12
1200/12 = 12x/12
100 =x
You will need 100 gallons
4x - 12 = -7x - 111
11x = -99
x = -9
His rate is 4.5 miles per hour. It would take him 4 hours to hike 18 miles. He would have traveled 31.5 miles in 7 hours.
Answer:
6
Step-by-step explanation:
Answer
D $48.00 u need to multiply 216 and 12 to get 48