SAT数学题1.in an election,2.8million votes were cast and each vote was for either candidate 1 or candidate 2 .candidate 1 received 28,000 more votes than candidate 2 .what percent of the 2.8 million votes were cast for candidate 1 答案为什么是50.5％
2019-05-23
SAT数学题
1.in an election,2.8million votes were cast and each vote was for either candidate 1 or candidate 2 .candidate 1 received 28,000 more votes than candidate 2 .what percent of the 2.8 million votes were cast for candidate 1 答案为什么是50.5％
优质解答
首先翻译,大致意思如下：
在一场选举中,280万选民可以有两个选择,要么选择候选人1,要么选择候选人2,候选人1获得的选票比候选人2多28000张,问280万选民中,选候选人1的人占百分比是多少?
选候选人1的选民+选候选人2的选民=2800000
选候选人1的选民-选候选人2的选民=28000
解得,选候选人1的选民=1414000
1414000/2800000X%=50.5%
首先翻译,大致意思如下：
在一场选举中,280万选民可以有两个选择,要么选择候选人1,要么选择候选人2,候选人1获得的选票比候选人2多28000张,问280万选民中,选候选人1的人占百分比是多少?
选候选人1的选民+选候选人2的选民=2800000
选候选人1的选民-选候选人2的选民=28000
解得,选候选人1的选民=1414000
1414000/2800000X%=50.5%