Problema Solution
Colin's parents keep a chart on the wall where they mark how much Colin grows each year. When Colin was 15, he grew 1 1/2 inches and when he was 16, he grew 1 inch. In total, how much did Colin grow in during those two years?
Answer provided by our tutors
1 1/2 + 1 = 2 1/2
1.5 + 1 = 2.5
Colin grew 2 1/2 inches (2.5 inches) during those two years