during a special sale,all the CDs have the same price.Mr.ortiz pays $228.85 for 23 CDs.Which is the best estimate of the priceof
1 answer:
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Step-by-step explanation:
Collect like terms and simplify
[tex] -10n+30n=-36-24 \\ 20n = -60 [/tex]
Divide both sides of the equation by 20
[tex] 20n/20 = -60/20 \\ n=-3 [/tex]