In a survey of 480 students, 253 indicated that play the piano, 268 indicated that they play the harp and 73 indicated they play the piano a

Question

In a survey of 480 students, 253 indicated that play the piano, 268 indicated that they play the harp and 73 indicated they play the piano and the harp. How many students surveyed play at least one of these instruments mentioned here?

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Lyla 2 months 2021-10-09T01:55:46+00:00 1 Answer 0 views 0

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    2021-10-09T01:57:21+00:00

    Answer:

    The no. of students that play at least one instrument = 448

    Step-by-step explanation:

    Total number of students surveyed = 480

    Students play piano =  253

    Students play harp   =  268

    Students play both harp & Piano = 73

    Thus number of student surveyed that they play at least one of the instrument  = (Students play piano) + (Students play harp) – (Students play both devices)

    = 253 + 268 – 73

    = 448

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45:7+7-4:2-5:5*4+35:2 =? ( )