0.2乘以1000再乘以9.3%等于0.4x

问题描述:

0.2乘以1000再乘以9.3%等于0.4x

0.2 *1000 * 9.3% = 0.4x ==> 200 * 9.3% = 0.4x ==> 2 * 9.3 = 0.4x ==> 2 * 93 = 4x ==> 93 = 2x ==> x = 93/2