I don’t think he did distributive property
Y=145, I’m not sure about X
1) 3:5
2) 7:10
3) 2:9
4) 6:1
5) 5:2
6) 11:3
7) 9:5
8) 2:7
9) 8:3
10) 5:2
<h3>Answer:</h3>

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Explanation:
means the first term is 1500, ie this is the first rent value.
To get the next term, we add on $140
So

and

and so on.
In general, the nth term
is found by adding 140 to the term just before it 
So that's where
comes from.
Answer: 12c+16d
Step-by-step explanation: 4(3c+4d)
(4)(3c+4d)
(4)(3c)+(4)(4d)
12c+16d