At the 3/4 marker, the rider can collect a green ribbon and a blue ribbon.
Because 3/4 is the 3rd stop for a blue ribbon and 3/4 is the 6th stop for a green ribbon.
The answer is 10 u have to put 2/3 multiplied by 15/1
+7 would be the answer i believe
Answer:
Multiply the numbers then Add on both sides then simplify
Step-by-step explanation:

Explanation
Step 1
the density of an object is given by:

Step 2
let

Step 3
replace,

I hope this helps you