Reid bought 4 souvenirs during 2 days of vacation. How many days will Reid have to spend on vacation before he will have bought a total of 14 souvenirs?
The answer is 7 days because all you need to do is divide 4 by 2 then you see the each day he buys 2 souvenirs so the you time 2 by 7 because 7time 2 equals 14