Answer:
-2
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
Using the distributive property, a(b+ c) = ab + ac. In this case, b is 30, so the blank is 30.
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