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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.

1 answer:

Irina-Kira [14]3 years ago

3 0

Total Cost C = 10*150 + 20*50

= 2500 pence

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