Answer:
x= 3/5 or x= 0.6
Step-by-step explanation:
Answer:
16.67%
Step-by-step explanation:
Let X be the credit price per book:

Let Y be the cash price per book:

#The net credit price is equal to the net cash price:

-For each cash buy, you pay 1/6 less than for each credit buy which is the discount rate:

Hence, the discount rate is 16.67%
Answer:
I believe your answer would be 
Step-by-step explanation:
Take 510, divide it by 30.
510/30 = 17
This means, every 17 red blood cells, there is 1 platelet, or 
Hope this helps! - Zac