The cost of pens varies directly with the number of pens. One pen costs $2.00. How do you find k in the equation for the cost of pens, use C=kp, and how do you find the total cost of 12 pens?

Answer 1

Total cost of #12# pens is #$24#.

#C prop p :. C = k*p ; C=2.00 , p=1 :. 2= k*1 :. k=2 :. C=2p # {k is constant]
#p=12, C= ? C=2*p=2*12= $24.00 #
Total cost of #12# pens is #$24.00#. [Ans]
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Answer 2

To find k in the equation C = kp, divide the cost (C) by the number of pens (p) for a given scenario. For example, if one pen costs 2.00,thenk=C/p=2.00, then k = C/p = 2.00/1 = $2.00.

To find the total cost of 12 pens, use the equation C = kp, where p = 12 (the number of pens) and k = 2.00(thecostofonepen).Thus,C=2.00 (the cost of one pen). Thus, C = 2.00 * 12 = 24.00.Therefore,thetotalcostof12pensis24.00. Therefore, the total cost of 12 pens is 24.00.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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