Given that 3/5 know fortran 1/6 know cobol 1/10 know both fotran and cobol the fraction of programmers who knows at least one of the two programs will be: 3/5+1/6+1/10 =13/15 the fraction of programmers who don't know either of the two will be: 1-13/15 =2/15 thus the answer is 2/15
Step-by-step explanation: The equation of the line is written in the slope-intercept form, which is: y = mx + b, where m represents the slope and b represents the y-intercept.
