16-02-2020
Mathematics

contestada

This sand timer contains 595 g of sand.
It takes half an hour for all of the sand to flow through the timer.
Each millilitre of sand weighs 1.6 g.
How many millilitres of sand flow through the timer per minute?

12.4
19.8
31.7
743.8

This sand timer contains 595 g of sand It takes half an hour for all of the sand to flow through the timer Each millilitre of sand weighs 16 g How many millilit class=

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thedarkness932 thedarkness932

16-02-2020

Answer:

595g ÷ 30mins = 19.8g per min

19.8g per min ÷ 1.6g each mil

= 12.374mil per min rounded

= 12.4mil per min

Answer Link

16-02-2020

The first answer

12.4

Answer Link

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