PLS HELP ASAP 10 POINTS Erika has a collection of 300 movies. 2/5 of these movies were made after 2010. 50% of the movies were made be

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PLS HELP ASAP 10 POINTS
Erika has a collection of 300 movies. 2/5 of these movies were made after 2010. 50% of the movies were made between 1990 and 2010. The rest were made before 1990.

How many movies of Erika’s collection were made before 1990?

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Acacia 1 year 2021-09-01T22:05:01+00:00 1 Answers 0 views 0

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  1. Nem
    0
    2021-09-01T22:06:53+00:00
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    Answer:

    30

    Step-by-step explanation:

    300 * 0.4= 120

    300*0.5 = 150

    150+120=270

    300-270=30

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