Harley Fuller

Mathematics

16 November, 10:58

Bob works in construction and works 8 hours each day.

(a) if he spends 7/12 of the time mixing cement and the remainder of the time laying bricks. How much time does he spend laying bricks each day?

(b) Bob's supervisor wants him to spend the same amount of time mixing cement as well as laying bricks. How much more time must Bob spend laying bricks.