(10) (2/3)x=9/5
x=27/10
(11) 2h=120min
120:150=(x+1):25
150x+150=3000
150x=2850
x=19
(12) 0.6m=60cm
5+7=12
60/12=5
5*7=35cm
(13) (1/6):(1/8)=
8:6=4:3
4+3=7
630/7=90g
4*90=360g
3*90=270g
(14) c:b=5:6=30:36
a:b=4:9=16:36
a:b:c=16:36:30