Answer:
37.5%
Step-by-step explanation:
This week, the cost is higher when we compare to last week. Therefore, the percentage difference is given by comparing the price differences to the price for the previous week.
Difference in costs=165-120=45
Percentage difference with respect to last week's price=
Therefore, percentage increase is 37.5%
Answer:
Step-by-step explanation:
we are given
y varies directly as x
so, we can write equation as
where
k is constant of proportionality
We have
at x=-1 , y=6
so, we can use it to find k
so, we get
now, we can plug it back
now, we can plug x=5
and we get