At a baseball stadium, every eighth person received a coupon for free popcorn. Every thirtieth person received a free hot dog. WHich person was the first to receive both free gifts?

3 answers

y=-x
x+y=3
least common multiple

8 = 2*2*2
30 = 5*2*3

so we need a 5, 3 twos, and a 3
so
120
thanks