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at a particular music store CDs are on sale at $15 for the first one purchased and $11 for each additional this purchased maria spent $70 on CDs how many CDs has Mariah purchase
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Feb 1, 2018
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at a particular music store CDs are on sale at $15 for the first one purchased and $11 for each additional this purchased maria spent $70 on CDs how many CDs has Mariah purchase
Mathematics
high-school
Shaun Mathew
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y = 11x + 15.....x = CD's purchased....y = total cost
70 = 11x + 15
70 - 15 = 11x
55 = 11x
55/11 = x
5 = x.....so she purchased 5 CD's
Sebrock
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Feb 1, 2018
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Sebrock
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$15 <--- First CD
$11
$11
$11
$11
$11
+-------
$70: A total of
6 CDs
Yuksel
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Feb 7, 2018
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Yuksel
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