A dozen eggs cost $0.88 in January 1980 and $2.11
in January 2015. The average wage for production
workers was $7.58 per hour in January 1980 and
$19.64 in January 2015.
a. By what percentage did the price of eggs rise?
b. By what percentage did the wage rise?
c. In each year, how many minutes did a worker
have to work to earn enough to buy a
dozen eggs?
d. Did workers’ purchasing power in terms of eggs
rise or fall?
a)"\\frac{2.11}{0.88}\\times100=239.77"
price increase by 139.77 %
b)"\\frac{19.67}{7.58}\\times100=259.10"
increase by 159.10 %
c) 1980:
"\\frac{0.88\\times60}{7.58}=6.97"
2015:
"\\frac{2.11\\times60}{19.64}=6.45"
d)Workers’ purchasing power in terms of eggs is rise.
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