Final answer:
Victoria's speed was approximately 11.25 miles per hour.
Step-by-step explanation:
To find Victoria's speed, we need to divide the distance she drove by the time it took her. Victoria drove 2 1/2 miles in 2/3 of an hour.
To divide a whole number by a fraction, we need to multiply the whole number by the reciprocal of the fraction. So we have:
2 1/2 miles / (2/3 hour) = 2 1/2 miles * (3/2 hour) = 15/2 miles * (3/2 hour) = (15 * 3) / (2 * 2) = 45/4 miles per hour.
The simplified fraction is 11 1/4 miles per hour, and when rounded to the nearest quarter, it is approximately 11.25 miles per hour.