"bill’s nominal income in 1990 was $1,009 per month. the cpi had a value of 149 in 1990 and had a value of 192 in 2017. what is bill’s real income in 1990, measured in base year dollars? enter a number rounded to two decimal places with no dollar sign"

$677.18

Step-by-step explanation:

Data provided in the question:

Bill’s nominal income in 1990 = $1,009 per month

CPI value in the year 1990 = 149

CPI value in the year 2017 = 192

Now,

The Consumer price index ( CPI ) is given as :

CPI =

thus,

for the given case of year 1990

149 =

or

Real income in 1990 =

or

Real income in 1990 = $677.18

i belive those are the ones that are under 90 degreese.