Answer:
One cm represented 5 m in the first scale, but now 1 cm represents 4 m in the second scale.
Step-by-step explanation:
Answer:

Step-by-step explanation:
If there is 1500 cellular phones per 1000 people, then the number of phones per person is:

Now we know that 
Answer:

Step-by-step explanation:
Answer:
-6/7p+1/7
Step-by-step explanation:
Answer:
y=2/3-4x/9
Step-by-step explanation: