Answer:
x=4
Step-by-step explanation:
since triangles are proportional by 2:1, then:
16/2=3x-4
8=3x-4
3x=12
x=4
Answer:
15
Step-by-step explanation:
jdjeishebvejeisik2behe
A) 2o+5l=2.75
-2o-9l = -4.15
———————-
-4l=-1.4
l= 0.35
2o+5(0.35)=2.75
2o+ 1.75= 2.75
2o=1
O= 1/2
B) 5(0.5) + 3(0.35) = 2.5+1.05= 3.55
