Write a system of equations to describe the situation below, solve using elimination.
a librar...
Mathematics, 29.01.2020 04:50 jhakaiahscott3062
Write a system of equations to describe the situation below, solve using elimination.
a librarian is expanding some sections of the city library. he buys books at a special price from a dealer who charges one price for any hardback book and another price for any paperback book. for the children's section, mr. yamamoto purchased 42 new hardcover books and 64 new paperback books, which cost a total of $698. he also purchased 42 new hardcover books and 58 new paperback books for the adult fiction section, spending a total of $668. what is the special price for each type of book?
Answers: 3
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Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction
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Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
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At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?
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