PP-T1-183

[max999]

183.
A certain company charges $6 per package to ship packages weighing less than 2 pounds each. For a package weighing 2 pounds or more, the company charges an initial fee of $6 plus $2 per pound. If the company charged $38 to ship a certain package, which of the following was the weight of the package, in pounds?
(A) 16 (B) 17 (C) 19 (D) 20 (E) 22
Ans:A

[amyliang]

題目是說:中華郵政局在包裹的費用計算是 重量<2時，一律6元，重量>=2時，除了收基本費6元外
還要再收一磅2元啦。
所以6+2x=38