Question
During a bike challenge, riders have to collect various colored ribbons. Each 1/2 mile they collect a red ribbon, each 1/8 mile they collect a green ribbon, and each 1/4 mile they collect a blue ribbon. Which colors of ribbons will be collected at the 3/4 mile marker?
Answer:
A green and a blue ribbon will be collected at the
mile marker.
Step-by-step explanation:
<em>Topic: Factors and Multiples</em>
<em></em>
To solve this, we'll write out the first few multiples of the distances where the collection of ribbons occurs:
Given that each
mile they collect a red ribbon; The multiples for the Red Ribbon are as follows (by adding
at each progression):
Red: 
Given that each
mile they collect a green ribbon; The multiples for the Green Ribbon are as follows (by adding
at each progression):
Green: 
Given that each
mile they collect a blue ribbon; The multiples for the Blue Ribbon are as follows (by adding
at each progression):
Blue: 
Since ,
is a multiple of both
, then a green and a blue ribbon will be collected at the
mile marker.