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Numeracy Intermediate November 2018 Unit 2 Q4

WJECIntermediateCurrent spec13 marksPercentagesPie Charts

4.

(a) Rushmoore Energy is a company that supplies electricity.
Last year, Rushmoore Energy displayed the following information in a pie chart.
Pie chart: Buying the energy our customers use 50%, Delivering energy to your home 25%, Government environmental schemes 10%, Customer service 5%, VAT 5%, Profit ?

The pie chart represents a total of £9100 million.

How much profit did Rushmoore Energy make last year?
Give your answer in millions of pounds. [3]

Profit £ …………… million

(b) Last year, Rushmoore Energy had 8·58 million customers.
The previous year, Rushmoore Energy had 8·21 million customers.
How many extra customers were there last year?
Circle your answer. [1]

37 000     370 000     3 700 000     0·37     37 000 000

(c) Maggie looks at the back of her electricity bill.
It shows how much energy she used last period and this period.
This is the display she sees.
Display: a bar labelled 900 kWh, a shorter bar labelled 828 kWh, and a down arrow labelled Down 8%

Is this decrease of 8% correct for the reduction in kWh?
You must show all your working to support your answer. [2]

Yes ☐    No ☐    Can’t tell ☐

(d)

In this part of the question, you will be assessed on the quality of your organisation, communication and accuracy in writing.

Maggie used 828 kWh of electricity this period.
Electricity was charged at £0.18 per kWh.
The standing charge for this period was £65.
VAT at 5% is payable on the total cost of the electricity used and the standing charge.
Calculate Maggie’s electricity bill.
You must show all your working. [5 + 2 OCW]