Samantha is driving from City A to City B. The distance between the two cities is 88 miles. She is driving at a constant speed of 22 miles per hour, and has been travelling for half an hour after starting from City A. What percent of the total distance she is yet to cover? Choose the correct choice from the following options:
A) 87  B) 87.5  C) 88  D) 90  E) 97.5
She is driving at the rate of 22 miles per hour for half an hour.   Means the distance she has covered so far is = speed x time = 22 miles per hour x 0.5 hour = 11 miles.   Therefore, the distance she is yet to cover is  88 - 11= 
<gadget id="calculator"> 88 - 11</gadget>
<output>77</output>
77 miles.   We want to know 77 miles is what percent of the total distance (88 miles). Let it be x % of the total distance.   This means x % of 88= 77   Solving we get, x = 87.5   Ans 87.5
<result>B</result>
Samantha is driving from City A to City B. The distance between the two cities is 88 miles. She is driving at a constant speed of 22 miles per hour, and has been travelling for half an hour after starting from City A. What percent of the total distance she is yet to cover?