.25*120+x=.40(120+x)
100[.25*120+x=.40(120+x)]100
25*120+100x=40(120+x)
3000+100x=4800+40x
100x-40x=4800-3000
60x=1800
x=30
Posted from my mobile device
100[.25*120+x=.40(120+x)]100
25*120+100x=40(120+x)
3000+100x=4800+40x
100x-40x=4800-3000
60x=1800
x=30
Posted from my mobile device
