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19 November, 10:50

Problem 25 a freelance writer earns $20 for each blog post and $60 for each feature article. how many feature articles did the writer produce last week? last week, the number of blog posts was 10 more than twice the number of articles sold. last week the writer earned a total of $700 from blog posts and featured articles.

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  1. 19 November, 12:57
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    The given are:

    cost for each blog = $20

    cost for each feature article = $60

    blog = 10+2 (number of articles sold)

    total earnings = $700

    where,

    a = article

    b = blog

    to solve,

    60 (a) + 20 (10+2a) = 700

    60a+200+40a=700

    200+100a=700

    100a=700-200

    100a=500

    a=500/100

    a=5

    The total feature articles produced last week was 5.

    to check,

    a+b=700

    60 (5) + 20[10+2 (5) ]=700

    300+20 (10+10) = 700

    300+200+200=700

    700=700

    Indeed, the number of articles produced last week was 5.
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