Answer:
u=2
Step-by-step explanation:
8u-21 = 2u-9
+21 +21
8u= 2u + 12
-2u -2u
6u= 12
divide by 6, u=2 !!
The answer is 2 or 0.5-because you have to multiply 3.6 to 107 then that will 385.2 and then 7.2 multiply 107 equal to 770.4.Divide all together it will give you
He earns 10 $ per hours
so u just need to find how many hours did he worked.
1 3/4+3 2/3+2 5/6
71/12 hrs
now multiply it by 10
59.166$
