Question

Hot dogs come packed 10in a package. Hot dog buns come packed 8in a package. Ketchup topping for hot dogs come packed 20in a package. If we want one hot dog and one ketchup topping for each bun for a picnic with none left over, what is the least amount of each we need to buy?

Answer 1

Answer:

factors of 10 and 8 are

10=2*5

8=2*2*2

then,

LCM(8,10)=8*5=40

So minimum of 40 hot dogs and buns each  are to be purchased in minimum .