Can someone help please. 'Preciate it.

Answer:
c = 9
Step-by-step explanation:
Given equation:
[tex]\sf 6(c-1)=48[/tex]
Divide both sides by 6:
[tex]\implies \sf \dfrac{6(c-1)}{6}=\dfrac{48}{6}[/tex]
[tex]\implies \sf c-1=8[/tex]
Add 1 to both sides:
[tex]\implies \sf c-1+1=8+1[/tex]
[tex]\implies \sf c=9[/tex]
Answer:
9
Step-by-step explanation:
There are now 48 total cookies shared by the 6 plates after he takes 1 cookie (6 cookies)
48+6 is 54/6 is 9