ayoismeisalex
04.12.2020 •
Mathematics
Felix want to work out how much it costs him to use his tumble dryer.
The tumble dryer uses 1.9 units of electricity to dry one load of washing.
Felix dries four loads of washing each week.
He pays 12.8p for every unit of electricity he uses.
Work out the weekly cost, in pence, of using the tumble dryer.
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Ответ:
Work:
Anything raised to the 1/3 power is equal to the cube root of the same number. The cube root of 27 is 3 (meaning that 3^3=27), so your answer is simply 3.