Question
The table shows the charge for water services provided by the utilities board.

Water consumption Rate
20 m3 of water usage and below  $1.90 per m3
Additional water usage above 20 m3 $2.30 per m3

Emma's family paid $61 for water usage in the month of March. What is the most amount of water that they could have used in March?
2 m

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The table shows the charge for water services provided by the utilities board.

Water consumption Rate
20 m3 of water usage and below  $1.90 per m3
Additional water usage above 20 m3 $2.30 per m3

Emma's family paid $61 for water usage in the month of March. What is the most amount of water that they could have used in March?