What percent of colonist lived in the villages and towns versus rural farming areas or the frontier?
a.) 10% villages & towns, 10% rural areas
b.) 50% villages & towns, 50% rural areas
c.) 10% villages & towns, 90% rural areas
d.) 20% villages & towns, 80% rural areas

C.) 10 percent of the colonists lived in villages and towns, whereas, 90% lived in rural farming areas or the frontier.

Explanation:

Upon the colonization of the newly found lands, settlers decided to continue with their old professions which they had practiced in their native countries. Pursuit for the search and availability of cultivatable lands with rural settlements lured these farmers to the rural areas.

Furthermore, some settlers choose not to go deep into the interior of the lands that has just been discovered and decided to settle on the frontiers of such land. A small amount of the settlers who were professionals in professions like tailoring, cobbling, smithy, etc shifted to towns and villages in search of opportunities to earn.

d.prevent the spread of communism outside of eastern europe.

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69