Answer:
I'm glad you asked!
Step-by-step explanation:
OK,let's simplify the number for a equivalent expression.
Distribute:
Combine Like Terms:
The Final Answer is :
20/7
Lower (or First) Quartile = 15
10, 20, 30, 40, 50, 60
you just have to list the multiples
pls vote brainliest if this helped