Answer:
The correct answer is 4 (0.72n)
Total notebook = 70
Total cost = 50.4
now
cost of one note book = total cost / total no notebook
= 50.4/70
= 0.72
Step 1: 0.35 = 35⁄100
Step 2: Simplify 35⁄100 = 7⁄20
answer: 7/20
I have no idea on D. Sorry. I hope this helps. They may not be right I didn’t quite understand the directions.
Answer:
x =1/625 or 0.0016
Step-by-step explanation:
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