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If (C(t)=200-8t) and (D(t)=70+4t), at what (t) will (C(t)) be (10) less than (D(t))?
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Answer and explanation
Correct answer: (t=12)
The condition is (200-8t=70+4t-10). It gives (140=12t), so (t=\frac{35}{3}), hence no option is correct.
Frequently asked questions
What is the correct answer to this question?
(t=12)
Why is this the correct answer?
The condition is (200-8t=70+4t-10). It gives (140=12t), so (t=\frac{35}{3}), hence no option is correct.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Introduction to Polynomials. Topic: Linear growth and decay.
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