Answer:
7/12
Step-by-step explanation:
You can pretend the given ratio units are the actual weights. Then the desired ratio is ...
book : mug = 7 : 5
book : (book +mug) = 7 : (7 +5) = 7 : 12
The weight of the book is 7/12 of the total weight.
Answer:
The answer would be A.
Step-by-step explanation:
Answer:
what's the question .......
Answer:
-6
Step-by-step explanation:

Answer:

Step-by-step explanation:



