A customer just paid $35,620 for a delivery van. If the percent markup based on cost is 30%, what was the cost?
2 answers:
Answer: The original cost was $27,400.
Step-by-step explanation:
Since we have given that
Amount he paid for a delivery van = $35,620
Rate of markup = 30%
We need to find the cost.
Let the cost of delivery van would be 'x'.
So, Amount of markup would be
Amount after mark up would be
According to question, it becomes,
Hence, the original cost was $27,400.
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Answer:
Option B can be quadratic.
Step-by-step explanation:
Take a look at the data.
A quadratic equation is of the form ,
,
where, a,b,c are constants.
<em>To find an unknown equation of 3 variables,</em>
<em>we need 3 points lying on the equation.</em>
here they have given, 5 points, meaning all should lie on the curve.
<em>For first option,</em> inserting first 3 points to find equation, we get equation as,
, but the rest points don't satisfy the curve.
So first option is not quadratic.
Similarly, it can be shown that option C and D are also not quadratic.
While, in option B, it is clear that for every y, x is y squared,
, thus quadratic in nature.