Hello!
To find the amount of miles a car can drive with one gallon, divide the total miles by the amount of gallons it takes to drive that specific amount of miles.
450 miles / 18 gallons = 25 miles per gallon
Therefore, you can drive 25 miles with one gallon of gas.
You can write it as a percentage, because people like to talk about probability as a percentage chance, or you can put it in the form of odds. The term “odds,” however, isn't exactly the same as probability. Odds refers to the ratio of the denominator of a probability to the numerator of a probability.
Cos 210° = cos ( 180° + 30° ) - cos 30° = - √3/2
B
Explanation: I guessed and it was right