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Katrin is going to buy a new fridge.
She finds this information.
Fridge
Cash price
£289.99
or
Fridge
12 monthly payments
£26 per month
Delivery charge £5.99
Electricity use per year 291 kWh

Question 1
he cost of electricity is 15.39 pence per kWh.
Katrin wants to pay monthly over 12 months and wants the fridge delivered.
She thinks that £400 will be enough to pay for both
• the fridge (including delivery)
• the electricity for 3 years.
Is Katrin correct. Show your working clearly

Question 2
Katrin's monthly payment for electricity went down from £38.60 to £34.20
She thinks this means that her monthly payment has gone down by
1/6
Is Katrin correct? show your working clearly

Respuesta :

182Seconds
I don"t use pounds or pence so this might not be right. 
question 1--- she wouldn't have enough because everything would equal £412.64.
question 2--- she would be incorrect because 1/6 of 38.60 is 6.43 and
38.60-6.43= 32.17 not 34.20.

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