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gizmo_the_mogwai [7]
3 years ago
12

electricity has two different rates off peak is 10pm to 6am and charged at 8p per hour. peak is 6am to 10pm and is charged at 12

p per hour. alison turns uses electricity from 8pm to 11:30 pm. what is the dost of her electricity for that period
Mathematics
2 answers:
faltersainse [42]3 years ago
8 0

Answer:

32p

Step-by-step explanation:

Times between 8pm and 11.30 are:

8pm,9pm,10pm,11pm,11.30pm

Costs for associated times:

8pm: 12p

9pm: 12p

10pm : 12p

11pm: 8p

11.30 pm: 4p

Total/sum = 32p

nadezda [96]3 years ago
8 0

Answer:

32P

Step-by-step explanation:

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<u>Value of a:</u>

Let us set the proportion for the given lines.

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<u>Value of b:</u>

Let us set the proportion for the given lines.

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The length of TW is given by

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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