3 years ago

Can anyone help me with this please and maybe explain it?.. I need working please

Mathematics

2 answers:

m_a_m_a [10]3 years ago

4 0

Electricity used in 40 minutes = 800 watts

So, electricity used in 1 minute

= 800watts/40

= 20 watts

Electricity used in 3 hours

= electricity used in 180 minutes

= electricity used in 1 minute × 180

= 20 watts × 180

= 3600 watts

Tanzania [10]3 years ago

3 0

Answer:

it uses 3,600 watts of electricity in 3 hours

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