Y 1/2 sorry if this is wrong.
The answer is the last one 7/8 x -3/4 =6
D = 900t
because if you want to simplify t (2 hours) into one then you divide 1800 by 2 and that gives you the constant of proportionality (slope) of 900. Using this information you can write the expression d = 900t.
Answer:2
Step-by-step explanation: