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son4ous [18]
3 years ago
6

Ronald and his three friends shared the cost of a pizza and a soda for each of them. The pizza cost $12.64 and each soft drink c

ost $0.95. What was each person's share of the total cost
Mathematics
2 answers:
Pepsi [2]3 years ago
8 0

Answer:

4.11

Step-by-step explanation:

There are two ways to do this problem:

The first way is to multiply 0.95 by 4 since each of them got a drink (Ronald+3 friends is 4 people.) This is 3.8. Now, add 12.64 to 3.8 because that is the total cost: 16.44. Because they equally split the cost, do 16.44/4: this is 4.11.

The second way is to divide 12.64 by 4. This is 3.16. We already know they each paid 0.95 for their drink, so it is already divided for us. Then, add 0.95 to 3.16, which is also 4.11.

AfilCa [17]3 years ago
3 0
Do 12.64 divided by 4. That is each person’s cost of pizza. Then add 0.95 to the cost of pizza. That is your total.
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When no more than 110 units are produced, the cost of producing y units is given by C(x).
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Producing 73.8 units gives the lowest possible average cost.

The average cost (AC) is the ratio of the total cost to the number of units produced. It is given by:

AC = C(x) / x

AC = (0.2x³ – 24x² + 1514x +30064) / x

AC = 0.2x² - 24x + 1514 + 30064/x

The lowest possible average cost is at AC' = 0. Hence differentiating the average cost, gives:

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