3.06, 3 1/6, 3 3/4, 3.8.
Hope that helps.
425/1700 = 0.25
Therefore he spends 25% of his income on rent
Answer: x
=
9
Step-by-step explanation: your welcome
(x,y,z)=(-4,-2,-5)
I added some images for explanation
Answer: 17 hours
If you would like further explanation let me know. :)