Hey there.
8/9d = 28; multiply both sides by 9.
8d = 252; divide both sides by 8.
d = 31.5
I hope this helps!
Answer:
1.25
Step-by-step explanation:
because if u work it out on a paper u will multiplie it together and u will get 1.25
Answer:
Constant of proportionality is 12
The cost of buying new bicycle changes 12 dollar per week
Step-by-step explanation:
we are given
The equation as

where
d represents the amount in dollars
w is number of weeks
now, we can compare it with

where
k is constant of proportionality
we can compare
and we get
k=12
So,
Constant of proportionality is 12
we can see that

So,
The cost of buying new bicycle changes 12 dollar per week
You have to say what or where point B and C is for me to answer it
Answer:
This seems more like an answer then a question, did you perhaps mean to put this on someone elses question?
Step-by-step explanation: