D because -4/5 has no variable such as m or r attached to it.
Let his original money is x
So,

+

+ 2.25 = x
or,

or, 5x + 13.5 = 6x
or, x = 13.5
So, he had $13.5 originaly.
Thanks!
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Answer:
$450 in June
Step-by-step explanation:
$X = 270 + 45 × ( number of month)
In this problem, February, the month you start with, would be month 0.
June would be 4.
$X = 270 + 45 × 4
= 270 + 180
= $450 in June
The answer forma this question is X=24/5