Answer:
C
Step-by-step explanation:
Answer:
1?
Step-by-step explanation:
If all the cheese slices have same mass, say m grams
and mass of 3 cheese slices is 27
so,
m+m+m=27
3m=27
or m=27/3
m=9
thus
mass of one cheese slice is 9 grams
Yes they are equivalent. You get -3 when you try solving the actual equation.
