Suppose an isotope has a half-life of 10 years. If you start with 50 grams of the isotope, how much of it will you have in 10 ye
1 answer:
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Given:
Total distance = miles
Hiking before lunch = miles
To find:
How much further does Sylvia have left to hike?
Solution:
Let x be the remaining hiking distance.
We know that,
Total hiking distance = Hiking before lunch + Remaining hiking distance
Isolate variable term.
It can be written as
So, miles left to hike.
Therefore, the correct option is C.