数学篇：SAT考试每日一题 20

>>SAT考试：数学篇：SAT考试每日一题 20

>>SAT考试精品辅导班

Read the following SAT test question and thenclick on a button to select your answer.

A ranger keeps track of the kinds of trees at four different parks. The table at left summarizesthe number of pines trees and the number of other trees. What is the ratio of pine trees toother trees for all four parks?

A.354:695

B.695:354

C.708:2098

D.2098:708

答案：A

解析：

Choice A is correct. First, determine the total number of pine trees and the total number of other trees.

362+195+79+72=708

724+325+149+192=1390

Next, set up a ratio to compare the two values.

708:1390

708:1390=354:695

相约坦途网SAT考试频道，我们每日一练，不见不散，为考试高分冲刺！