A 36 ounce box of cereal costs $3.50. Find the unit price.
2 answers:
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Answer:
when
.
Step-by-step explanation:
The question states that is proportional to
. In other words, there is a constant
(
) such that
for all
.
The question also states that when
. Make use of this equality to find the value of
.
Since and
, it must be true that
. Substitute
and
into the equation
and solve for
:
.
.
Thus, for all
.
Substitute in the value to find the corresponding value of
:
.