Therefore, f(c) = 3c+5
OPTION B is the correct answer
The cost of a pen at the office supply store is $2.65. The school store sells the pen for $3.45. How much does the school store
1 answer:
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Given:
y is directly proportional to x.
when
To find:
The equation that connects y with x.
Solution:
It is given that, y is directly proportional to x. So,
...(i)
Where, k is the constant of proportionality.
We have, when
. Substituting these values in (i), we get
Divide both sides by 5.
Substituting in (i), we get
Therefore, the required equation is .