SAT官方每日一题附答案和解析[数学](2020年2月21日)
日期:2020-02-21 09:32
(单词翻译:单击)
每日一题
Mathematics>Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
| Park | Number of Pine Trees | Number of Other Trees |
| 1 | 362 | 724 |
| 2 | 195 | 325 |
| 3 | 79 | 149 |
| 4 | 72 | 192 |
A ranger keeps track of the kinds of trees at four different parks. The table at left summarizes the number of pines trees and the number of other trees. What is the ratio of pine trees to other trees for all four parks?
A.354:695
B.695:354
C.708:2098
D.2098:708
答案和解析
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
