96.6k views
4 votes
A skateboarder rides by my office every 12 minutes, and a cyclist rides by every 8 minutes. How long will it take for the skateboarder and cyclist to ride by at the same time?

96 minutes
72 minutes
48 minutes
24 minutes​

User Tggm
by
7.9k points

2 Answers

1 vote

Answer:

24 minutes

Explanation:

The Lowest Common Multiple of 12 and 8 is 24:

1. List all prime factors of 12 and 8

2. Cross out any recurring numbers

3. multiple all remaining numbers with the crossed out ones used once

User Ballard
by
7.9k points
2 votes

Answer:

48 Minutes

Explanation:

find a common factor 48:

4*12

6*8

so the answer is 48.

User Guillem Vicens
by
7.3k points
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