4 grade math

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If ms smith class read for 450hrs this month. Ms Brown class read two-thirds the number of hrs read by ms smith class. Ms James class read twice the hrs read by ms brown class. There are 90 students in these 3 classrooms. What was the average number of hrs read by each student?

  • 4 grade math -

    Ms. Smith >> 450
    Ms. Brown >> 2/3 * 450 = 300
    Ms. James >> 2 * 300 = 600

    Total pages = 1,350

    1,350 / 90 = 15 average pages per student

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