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15 September, 17:38

Nabuko practices the violin at least 12 hours per week. She practices for three-fourths of an hour each session. If Nabuko has already practiced 3 hours in one week, how many sessions remain to meet or exceed her weekly practice goal?

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  1. 15 September, 19:01
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    Let x be the number of sessions. Then

    3/4x ≥ 12

    3/4x + 3 ≥ 12

    3/4x ≥ 9

    x ≥ (9 x 4) / 3 = 12

    Therefore, 12 sessions remain to meet or exceed her weekly practice goal.
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