pittsburgh, pennsylvania and state college, pennsylvania are 9.8 inches apart on a map that has as inches equal to 15 miles.
a) set up a proportion to show the relationship between the distance in miles and the size of the map
b) how far apart are the cities in real life?

Part a)

Part b)

Step-by-step explanation:

Part a) Set up a proportion to show the relationship between the distance in miles and the size of the map

we know that

The scale on a map is equal to

That means

1 inch on a map represent a 15 miles in real life

Part b) How far apart are the cities in real life?

Let

x -----> the distance in real life

using proportion

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )