Pens are sold in packs of 3 for $5. pencils are sold in packs of 4 for $1. mr. james bought 9 pens and 4 pencils and also spent $3 on notepaper. which equation represents how much money, x, mr. james spent? (3 × $5) + $4 + $3 = x (9 × $5) + $1 + $3 = x (3 × $5) + $1 + $3 = x (3 ÷ $5) + $1 + $3 = x