I believe it is a rational number
3d+8=2d-17
-2d -2d
__________
d+8=-17
-8 -8
__________
d=-25
Answer:
7/11
Step-by-step explanation:
Let d represent the original denominator. Then the original numerator is ...
2d-15
The new numerator is ...
(2d-15) +5
and the new denominator is ...
d+7
The ratio of these is 2/3, so we have ...

The original fraction is 7/11.
The answer is 2.4 m/s i believe