Question

Mrs.Baca uses a phone card to call her relatives in Colombia.It costs her 45 cents to talk for 15 minutes.How long can she talk for 75 minutes?

Answer 1

45/15= 3

So 1 minute=3 cents

75*3=225=2.25 converted

75 minutes=$2.25

Answer 2

It will cost Mr. Baca $2.25 to talk for 75 minutes.