PLEASE HURRY During the late 1800’s one result of railroad expansion in the west was
O the decline of the western economy.
O an increase in cattle ranching
O a decrease in metal mining
O the decline of the Eastern economy

an increase in cattle ranching.

Explanation:

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answer; (a) he was a u.s senator for 38 years;

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".