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23 April, 11:01

In one week, a music store sold 9 guitars for a total of of $3611. Electric guitars sold for $479 each and acoustic guitars sold for $339 each. How many of each type of guitar were sold?

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  1. 23 April, 11:24
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    Answer: 5 acustic and 4 electric

    Step-by-step explanation:

    e+a=9

    e*479+a*339=3611

    a=9-e

    e*479 + (9-e) * 339=3611

    479e+3051-339e=3611

    479e-339e=560

    140e=560

    e=4

    a=9-4

    a=5
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