02-07-2018
Mathematics

contestada

How long a 21 cm tall candle can burn for?

How long a 21 cm tall candle can burn for class=

Respuesta :

02-07-2018

set 14/8=21/x
cross multiply and get 14x=168
x= 12
and thus, a 21cm candle should burn for 12 hours

Answer Link

02-07-2018

A 21 cm tall candle can burn for 12 hours

Answer Link

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