The New York Times cost $0.15 in 1970 and $2.00 in 2009. The average wage in manufacturing was $3.23 per hour in 1970 and $20.42 in 2009.
a. By what percentage did the price of a newspaper rise?
b. By what percentage did the wage rise?
c. In each year, how many minutes does a worker have to work to earn enough to buy a newspaper?
d. Did workers’ purchasing power in terms of newspapers rise or fall?
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