kieranbrooks13p6k14q kieranbrooks13p6k14q

02-04-2018
Mathematics

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In 2012 electricity cost 15p per unit.
A family used 3729 units.

In 2013 electricity cost 17p per unit.
The family used 3506 units.

How much more did the family pay for electricity in 2013

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dannielle dannielle

02-04-2018

15*3729=55935 p

17*3506=59602 p

59602-55935=3667 p more than in 2012

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