A box of golf balls and a golf glove cost a total of $20. How much does the box of balls cost?
Statement I: The golf glove costs three times as much as the box of golf balls.
Statement II: The golf glove costs $15.
Each exercise consists of a question and two statements that may or may not provide sufficient information to answer the question. Select the response (a)-(e) that best describes the situation.
(a) Statement I alone is sufficient to answer the question, but statement II is not sufficient.
(b) Statement II alone is sufficient to answer the question, but statement I is not sufficient.
(c) Both statements together are sufficient to answer the question, but neither alone is sufficient.
(d) Each statement alone is sufficient to answer the question.
(e) Both statements together are not sufficient to answer the question.