Mathematics, 11.01.2021 08:30 randlemccray1907
1. Write a system of equations to model each of the following situations. You do not need to solve the systems.
a. One website charges $0.99 per song download. Another website charges a one-time user fee of $12, but only charges $0.89 per song download.
b. Sean operates a lawn cutting business. He charges $15 for a single lawn and $25 for a front and back lawn. Sean made $475 from 25 customers
c. Brass is an alloy made by melting and mixing copper and zinc. A metallurgist has two brass alloys, one that is 65% copper and one that is 90% copper. He would like to combine a portion of each alloy to produce 500 g of a new alloy that is 75% copper.
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1. Write a system of equations to model each of the following situations. You do not need to solve t...
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