Answer:
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Step-by-step explanation:
Miss Smith recorded the number of sandwiches sold in her Deli on one day. If she sells more than 25 of a type of Sandwich she or
ders more meat from the butcher. Use the inequality s is > than 25, where X is the number of sandwiches sold to determine which meat she needs to order
1 answer:
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Let 
. Then 
. By convention, every non-zero integer 
divides 0, so 
.
Suppose this relation holds for
, i.e. 
. We then hope to show it must also hold for 
.
You have
We assumed that, and it's clear that 
because 
is a multiple of 3. This means the remainder upon divides 
must be 0, and therefore the relation holds for . This proves the statement.
Suppose this relation holds for
You have
We assumed that