The fraction is 
Step-by-step explanation:
Let,
The denominator of fraction = x
Numerator of fraction = x-3
Fraction = 
According to given statement;
1 is added to the numerator, the value of the fraction becomes 3/4.
Using cross multiplication
Fraction = 
Keywords: fraction, division
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A) 0.15 times $2,570 = $412.50
B) $122.85 times 2( 12 ) = $2,948.40
C) $2,570
D) All together it's $2,948.40 + $2,570 = $5,518.40
For D I didn't add the down payment because it's not an additional charge.
I only did the first one because I don't know if you want me to finish the rest.
Hope I helped :)
I think the answer is 2 13/20
Or, in decimals: 1.3
