SOLUTION: 1.how many minutes is before 11 a.m. if 30 minutes ago it was four times as many minutes past 9.30 a.m.?
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Question 1037737: 1.how many minutes is before 11 a.m. if 30 minutes ago it was four times as many minutes past 9.30 a.m.?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the number of minutes
before 11 AM
----------------------
It is 12 min before 11 AM
-------------------------
I couldn't figure this out until I drew a
" time line "
>
9:30 AM- - - - - - - - - - - - - - - - - - - - - - - - - - 11 AM
|<-----4t-------->|<----- 30 min---->|<--t min----->
<---------------------90 min----------------------- >
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