Answer:
5
Step-by-step explanation:
1. according to the condition

2. when the both prices are increased the ratio is

3. when the both prices are reduced the ratio is

4. using the equations written in steps 2&3 it is possible to make up the system of the two equations:

where x=160; y=52.
5. ration x:y=5.
B. Sometimes because in learned that it isn't always that way.
Basically just do the problem backwards.
72÷9=8
72÷8=9
Answer:
266.666667
Step-by-step explanation:
Answer: B
Step-by-step explanation:
If an absolute value of a negative number plus a absolute value of the positive number is positive. Absolute value of anything is positive.