In country X, the average yearly salary of 50-year-olds with 16 years of education is $50,275, while the average yearly salary o
f 50-year-olds with 12 years of education is $36,265. According to this data, four additional years of education are likely to be correlated with higher future wages of about: a. 24 percent.
b. 38 percent.
c. 50 percent.
d. 88 percent.
Hey I have posted a picture the method I use to solve simultaneous equations is change the sign and follow the new sign. This involves changing the sign for the second equation and solving it