I hope this picture helps you a little bit!
If you don't understand, I'll try to explain more :)
Answer:
Step-by-step explanation:
Every integer is a rational number.
4cm I hope this helps
List the multiples of each qty:
7, 14, 21, 28,35,42,49,56,63
9, 18, 27, 36, 45, 54, 63
The least common multiple is 63
He bought 63 hotdogs and buns
