Bryan goes to the gym every 2 days.
Adam goes to the gym every 3 days.
Charlie goes to the gym every 9 days.
If they meet one another on Sunday, on which day will they meet again?
Give the answer in number. (Eg Monday = 1)
Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18
Multiples of 3: 3, 6, 9, 12, 15, 18
Multiples of 9: 9, 18
The lowest common multiple is 18.
Number of sets of 7
= 18 ÷ 7
= 2 r 4
4 day(s) after Sunday is (4) Thursday.
Answer(s): 4