In year x 25naira exchanged for a dollar and later in year y, 75naira exchanged for a dollar through the forces of demand and supply.State the effect of the above on the value of the dollar

Question

How much in Naira would be needed to purchase a 25,000 dollars worth of car from the United States of America in year x

Answer 1

In year x $1=N25 so $25000=25*25000=N625000.

In year y $1=N75=3*25, so between years x and y, a dollar has tripled in value against Naira.