Question 1074396
This problem needs the least common multiple of 7, 12, and 50. So, factoring each, we get:
7=7x1
12=2x2x3
50=2x5x5
So, the least multiple is 2x2x3x5x5x7, or 2100. So, 2016+2100= the year 4116 as the next time all three will bloom in the same year. ☺☺☺☺