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

Water consumption Rate
90 m3 of water usage and below  $1.40 per m3
Additional water usage above 90 m3 $1.80 per m3

Joelle's family paid $144 for water usage in the month of January. What is the most amount of water that they could have used in January?
2 m

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

Water consumption Rate
90 m3 of water usage and below  $1.40 per m3
Additional water usage above 90 m3 $1.80 per m3

Joelle's family paid $144 for water usage in the month of January. What is the most amount of water that they could have used in January?