MBA考试

根据网考网考试中心的统计分析，以下试题在2018/2/26日MBA习题练习中，答错率较高，为：82%
【单选题】A child withdraws from his piggy bank 10% of the original sum in the bank. If he must add 90￠ to bring the amount in the bank back up to the original sum, what was the original sum in the bank


A．$1.00
B．$1.90
C．$8.10
D．$9.00(g) $9.90

网考网参考答案：D，答错率：82%
网考网试题解析：
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