Question

Henry had 3 times as many CDs as roger. Sandy has 9 more CDs than Henry. If roger has Y CDs, how many more CDs does sandy have than roger. Please exsplain

Answer 1

Let H = Henry

Let R = Roger

Let S = Sandy

H = 3R -> H = 3y

S = 9 + H -> S = 9 + 3y

R = y

Sandy has 3y + 9 CDs more than Roger.Explanation:

Answer 2

Let H = Henry
Let R = Roger
Let S = Sandy

H = 3R -> H = 3y
S = 9 + H -> S = 9 + 3y
R = y
Sandy has 3y + 9 CDs more than Roger.