Answer:
75
Step-by-step explanation:
86+79+68+83=316
391-316=75
Answer:
There is NO solution
Step-by-step explanation:
Considering 'y' be the number
Considering x be the smaller number
As 'y' is equal to twice a smaller number plus 3.
so

also
y is equal to twice the sum of the smaller number and 1.
so

so the system of equations become


solving







Therefore, there is NO solution.
I might be wrong but, I would say about 32.6 miles a day. This could be wrong.
I think it is c, because the probability is the littlest thing and you add most of it, you are welcome my boy