Answer to Question #53328 in Math for quamrulhussain

Question

In a supermarket cans of beans are on display. There is one can in the front row, 2 in the second, 3 in the
third, 4 in the forth and so on.
(a) Find how many rows are needed to have at least 24 cans in total on display.
(b) Show that there are no more than 12 cans in the first 4 rows.