The number of workers each day forms an A.P. Total man-days is the sum of the A.P. Equate the total work expressed in two ways.
Accedmychevron_right11thchevron_rightmathchevron_rightSequences And Serieschevron_rightExercise 6.11
The number of workers each day forms an A.P. Total man-days is the sum of the A.P. Equate the total work expressed in two ways.