(70x10)+(6x1)+(4x1/10)+(2x1/100)+(9x1/1000)
The slope is 1/5
I hope this helps!!!!
I assume the equation is supposed to be

Then we can write

Take the logarithm of base 3/8 on both sides:



- - -
If the equation is actually
, I'm afraid it cannot be solved exactly.
Answer:
1.92 miles
Step-by-step explanation:
she had walked 10 miles so that is where you start
Monday she had walked 2.38 so you subtract that from her total
Tuesday she had walked 2.4 so you subtract that from your new total
Wednesday she had walked 3.3 and you subtract that from the new total also
Thursday she had not walked anything so your remaining total is the amount she had walked on Friday