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14 January, 18:28

Traci is collecting donations for a dance marathon. One group of sponsors will donate $36 for each hour she dances. Another group of sponsors plans to donate $75 no matter how long she dances. Traci plans to dance until she has raised at least $1,200. Let h represent the number of hours that Traci dances. Write and solve an inequality to determine the minimum number of hours that Traci needs to dance in order to raise $1,200.

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  1. 14 January, 18:42
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    36h + 75 < 1200

    solve:

    36h + 75 = 1200

    36h = 1125

    h = 1125 divided by 36 = 31.25.

    Therefore, Traci has to dance a minimum of 31.25 hours to raise $1200
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