28 x 9 = 252
28
233 ÷ 28 = 8 with remainder 9
28 times with a remainder of 8
8/9 × 15/28 × 21/25 = (8×15×21)/(9×28×25) = 2520/6300 = (2×1260)/(5×1260) = 2/5
9 x 28 = 252
28 x 9 = 252
3 times with a remainder of 1
126 times 28=3,528 126 * 28 1008 +2520 3,528
9*n + 28 >= -20.
3 * 9 is 27 so 3 goes into 28 nine times9 times, with one left over.
It goes: 28/3 = 9 times with a remainder of 1
36
28
The product is: 252,000,000
28
233 ÷ 28 = 8 with remainder 9