He uses 15 gallons. Because 270/6 = 45. Meaning he drives 45 miles per gallon. So 675/45=15. 15 gallons he will need to use to drive 675 miles.
381 1/10- 214 43/100= 166.67 hope that helps
1/8=.125, so 12 and a half % are blue
The perimeter is the total of the length • 2, + Width • 2. Doing it in reverse order, 230 - 2(Width) = 104.
104/2 = 52