Gloria Trench checked her gas mileage and found that she had used 16.6 gallons of gas to travel 372 miles. At this rate, how many gallons will she use to travel from San Fransisco to Washington D. C., a distance of 2850 miles?

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244