EM-2443

Converting units of speed

E Math · Secondary 4 · Medium · Converting units of speed

A cafe throws away 1.5 kg of food per day. After introducing new practices, it reduces food waste by 350 g per day. Find the new average mass of food waste per day, in kg, and express the reduction as a percentage of the original amount, correct to 1 decimal place.

$1.15$ kg and $23.3\%$
$1.15$ kg and $76.7\%$
$1.35$ kg and $23.3\%$
$1.85$ kg and $18.9\%$

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