R would be iv because you have to do cross multiplication.
ec would be 3 because you have to do cross multiplication.
Take out the extras and multiply the numbers
Answer:
Rob won because if dale came in last then hes already marked out but then we have henry and charles. if henry finished ahead of charles that wouldve made him second to last but remember that rob ran faster then henry so rob mustve finished first.
Step-by-step explanation:
The property is Commutative Property of Multiplication
