1 Answered Questions for the topic Maths Methods

Maths Methods Linear

12/21/15

linear equations
A quarterly electricity bill shows the following charges: For the first 50 kWh (kilowatt hours): 9.10c per kWh For the next 150 kWh: 5.80c per kWh Thereafter: 3.56c per kWh a Write down a formula... more
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