Answer:
They had 2050 marbles altogether.
Explanation:
Let the no. of Ian's marble be 'x'
No. of Marbles Harry has = 4x
4x - x = 1230
3x = 1230
x = 1230/3 = 410
Thus, No. of Harry's marbles = 4 x = 4 x 410 = 1640
Total no. of Marbles= 410 + 1640 = 2050