Answer:
c
i think
Step-by-step explanation:
Answer:
and
.
Step-by-step explanation:
According to the statement,
and
. Based on these definitions, at
produce:
. On the other hand, you have to:


Then, it can be affirmed that
and
.
The answer is $8.75. You have to find what one costs which is 1.25 so if you have 7. 1.25 times 7 is $8.75