A worker makes a toy in every 2h. If he works for 80h, then how many toys will he make ?
Choose the correct choice from the following choices:  A) 40  B) 54  C) 45  D) 39  E) none

Rationale: "answer let number of toys be n . more hours , more toys ( direct proportion ) 2 : 80 : : 1 : n ⇒ n = 80 / 2 = 40 toys correct option : a"
Answer: A