3 years ago

7 Electricity prices increased by 66%

Mathematics

1 answer:

klemol [59]3 years ago

7 0

Answer:

$23.7

Step-by-step explanation:

Electricity prices increased by 66% in 2009.

Mr and Mrs Smith’s bill was $69.72 after the increase .

The bill before the increase will be 66% / 100% x $69.72

= 0.66 x 69.72

= $46.02

Bill before the increase will be $69.72 - $46.02

=$23.7

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