Answer:
D
Step-by-step explanation:
Answer: 2/7
Step-by-step explanation: change the number into fraction form, reduce it and reverse the numerator and denominator.
Answer:
C
Step-by-step explanation:
It would make sense
Answer:
9 Cards
Step-by-step explanation:
9 Cards a day equals 27 cards in 3 days
Answer: multiply the other side by 3 also
Step-by-step explanation:
What happens to one side must also happen to the other side. This is the only way to keep equations equal when changing constants and variables