Answer:
3 and 8 do not have common factors so the next time these two lessons would be at the same time is 3*8.
3*8=24
24 days from now he will have both
Step-by-step explanation:
First you should multiply 8x3, since there are no common factors. Your awnser should be 24 since 8x3=24
1. a
2.c
3.d
4.c
5.b
6.d