The best way to solve this is to put it into a proportion:

So you cross multiply to get:

(the 21 is from

•84)
Then multiply by

And you get $28, so the reduced price would be $28.
Answer:
Step-by-step explanation: i cant help if you dont give the question:)
Answer:
162 hours
Step-by-step explanation:
1 day= 24 hours
24 times 6= 144
144 + 18= 162
Answer:
r = 7 q - 34
Step-by-step explanation:
Solve for r:
-34 + 7 q - r = 0
Subtract 7 q - 34 from both sides:
-r = 34 - 7 q
Multiply both sides by -1:
Answer: r = 7 q - 34