Peter buys a small wind turbine for use on his farm. It generates 13,000 kWh of electricity in the first year. He uses 7,570 kWh of electricity and sells the remaining kWh to his energy suppliers. He receives £412.68 for the electricity he sells. How much does he get for each kWh he produces?

Peter gets £13.158 for each kWh of electricity he produces.

Step-by-step explanation:

Peter buys a small wind turbine

Total electricity produced by wind turbine in first year = 13,000 kWh

Total electricity used by Peter = 7570 kWh

Electricity sold to energy suppliers = ?

Total amount of money he gets after selling x electricity to energy suppliers = £412.68

We can se that:

Total electricity produced = Electricity used by Peter + Electricity sold by Peter

Electricity sold by Peter = Total Electricity produced - Electricity used by Peter

Electricity sold by Peter = 13,000 kWh - 7570 kWh = 5430 kWh

Total amount earned = £412.68

So

Price per kWh = Electricity sold by Peter/Total Amount earned

Price per kWh = 5430/412.68

Price per kWh = £13.158

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step-by-step explanation:

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)