Answer:
C. 6 packages
Step-by-step explanation:
4 divided by 2/3
=>4x3/2=6
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Additive indentity

n = 1
a variable is always a number itself remember 7+n
5+2 = 7
Take a pencil put it on the paper then make sure the ink is on the paper then write
Answer:
2
Step-by-step explanantion:
You sustitute 20 for s to get 20 = d + 18, subtract 18 from both sides and you get d = 2.