Free Practice Question
PS · Problem Solving
555-605
Work Rate Problems
Youseff is located x blocks away from his workplace. He takes 1 minute to walk each block and 15 seconds to bike each block. The time it takes him to walk to work exceeds the time it takes to bike by exactly 9 minutes. What is the value of x?
Answer Choices
Correct answer marked belowA
5
B
8
12
Correct
D
16
E
24
See the full step-by-step explanation
You can see the correct answer above. Sign in for free to unlock the complete worked solution.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Preview
Official Explanation
Official
Youseff is situated x blocks from his office. Walking takes him 1 minute per block, while biking takes 15 seconds per block. The difference in…
Read the full explanation
Sign in for free to see the complete step-by-step solution to this question.
Comments
1
Sign in to join the discussion
M
MadhavJan 25, 2024
thank you taking time to upload it!
What this question tests
What it tests
Your ability to combine individual work rates, usually by working with the fraction of a job completed per unit of time.
Common trap
Adding the times instead of the rates, or forgetting to take the reciprocal when combining rates.
Details
Difficulty
555-605
Type
PS
Category