If y=14 when x=20, find x when y=3.5
1 answer:
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Option C: is the correct answer.
Explanation:
The given expression is
We need to factor the expression.
Let us rewrite the expression as
Also, we can rewrite the term as
Thus, we have,
Hence, the equation is of the form,
where and
Hence, the factor of the expression can be written as
Thus, the factored expression is
Therefore, Option C is the correct answer.
45km : 30 min = 180km : x
x = =
= 60*2 min = 120 min = 2h