The number of hours John spends on studying is normally three times that of Simon.This week,each of them spends 6 hours more on studing.As a result,John spends 12 hours more than Simon.How many doesa.John normally spend on sthdying in a week?b.Simon

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The number of hours John spends on studying is normally three times that of Simon.This week,each of them spends 6 hours more on studing.As a result,John spends 12 hours more than Simon.How many doesa.John normally spend on sthdying in a week?b.Simon

The number of hours John spends on studying is normally three times that of Simon.This week,each of them spends 6 hours more on studing.As a result,John spends 12 hours more than Simon.How many doesa.John normally spend on sthdying in a week?b.Simon
The number of hours John spends on studying is normally three times that of Simon.This week,each of them spends 6 hours more on studing.As a result,John spends 12 hours more than Simon.How many does
a.John normally spend on sthdying in a week?
b.Simon normally spend on studing in a week?

The number of hours John spends on studying is normally three times that of Simon.This week,each of them spends 6 hours more on studing.As a result,John spends 12 hours more than Simon.How many doesa.John normally spend on sthdying in a week?b.Simon
为了叙述方便,我用J代表John,S代表Simon
normally:J=3S
this week:J+6-(S+6)=12
所以 J-S=12
2S=12
S=6
即J=3*6=18

你去查啊

这是一个数学问题 设JOHN 一周花费X小时,则SIMON花费X/3小时,则有
X+6-X/3-6=12解方程得X=18
则JOHN 一周花费18小时,SIMON花费6小时

翻译如下:在正常情况下,John花在学习上的时间是Simon的3倍。这周,每个人在学习上多花了6个小时,结果,John 比Simon多花了12个小时。问在正常情况下John和Simon在一周各花多少时间在学习上。
答案:John 18各小时。Simon 6个小时