Super Jack and Almighty Jill were doing the 100 -mile walk at the same time and same starting point, at constant speeds. Jack took a 5-minute break at the end of every 10 miles; Jill took a 10-minute break at the end of each 20 miles. Jill's speed was $$\(5 / 8\)$$ of that of Jack. They finished at the same time. How long, in minutes, does the trip take?

A.
53.333
B.
56.667
C.
60.333
D.
60.667
Mathematics
Competition
Math League
Exam No:2016 First Round Grades 10-12 Year:2016 Question No:10

Answer:

A

Knowledge points:

G10-12 - Algebra - Weighted Average & Ratios

Solution:

Download APP for more features
1. Tons of answers.
2. Smarter Al tools enhance your learning journey.
IOS
Download
Android
Download
Google Play
Download