Say that you're thinking of number 
You multiply it by 8, and have 
You add -1 (i.e., you subtract 1) and have 
This equals -17, so you have

Add 1 to both sides

Divide both sides by 8:

So, you were thinking of -2.
I would just turn the meters into miles instead of into km then miles 1 meter = 0.00062137 miles
Hope this worked! Good Luck!
Answer:
Too much
Step-by-step explanation:
I did the math myself
18.75 centimeters because it’s 37.5 divided by 2
16 divided by 125 is .128
125 plus 75 is 200
.128 multiplied by 200 is 25.6 days