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Bess [88]
3 years ago
11

A mobile phone company uses the formula C = 10t + 20m to calculate the total cost of a bill. C is the total cost of the bill in

pence. t is the number of text messages. m is the number of minutes of call time. Calculate the total cost for 150 texts and 50 minutes of call time.
Mathematics
1 answer:
Irina-Kira [14]3 years ago
3 0

Total Cost C = 10*150 + 20*50

=  2500   pence

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The first thing you should know is that by definition:
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Answer:

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2 years ago
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Bezzdna [24]

Answer:

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6 0
3 years ago
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3 years ago
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