Answer:
Step-by-step explanation:
b/c we can substructure 5cd and 3dc b/c it doesn't matter if the place of cd and dc change. what I mean if 5 ×3=15 and it is the same with 3×5=15 both of the product are the same but, if it is - and ÷ it wil be wrong for example 5-3=2 but 3-5= -2
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Answer:
76.85
Step-by-step explanation:
too many steps and i'm not good
at explaining
Answer:
The water level is rising because it is filling 10 more liters than it is draining
16.7 hours
Step-by-step explanation:
3+p=8
-p -p
3=8-p
-8 -8
-5=-p
swap signs
5=p