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sashaice [31]
3 years ago
11

The cost, c, of a ham sandwich at a deli varies directly with the number of sandwiches, n. If c = $54 when n is 9, what is the c

ost of the sandwiches when n is 3?
A.$18
B.$21
C.$27
D.$48
Mathematics
2 answers:
mel-nik [20]3 years ago
7 0

Answer:

Option A is correct that is $18

Step-by-step explanation:

We have been given an information that is

c=$54 when n =9

when 9 gives 54

Then 1 gives  54/9

cost for one sandwich that is when n=1  then c=\frac{54}{9}=6

We need to find the cost for 3 sandwiches that is when n =3 then

when cost for one sandwich is 54/9 then cost for 3 sandwiches is 3\cdot \frac{54}{9}=18

Therefore, Option A is correct tha is $18.



lutik1710 [3]3 years ago
3 0
For 3 sandwiches: <span>3×$6=$<span>18</span></span>
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