D.
cause it’s adding two to get to the next one
Consolidate (group together) the s terms and then do the same thing to the constant terms:
-2s - (3/4)s = 13 - 2
11
Then (-2 3/4)s = 11, and s = ---------------- = -4 (answer)
-11/4
Answer:
D) 
Explanation provided above.
We estimate that 25/75 = 1/3 of the fish in the pond are marked.
So an estimate would be 30 / 1/3 = 30*3
= 90 answer
Answer: 0.6 liters per kilometer
Step-by-step explanation:
(A) 475L - 50km
(B) 375L - 200km
Subtract liters.
475-375=100L
Subtract km
200-50=150km
Divide liters per km
100/150=0.6L/km
