Solve the problem. Round approximations to an appropriate number of significant digits.At a book sale, Ruth bought 5 hardbacks and 2 paperbacks for $46.00. She returned later and bought 1 more hardback and 3 more paperbacks for $17.00. Find the cost of a hardback and the cost of a paperback at the book sale.
A. $3.00 for hardback
$8.00 for paperback
B. $10.00 for hardback
$3.00 for paperback
C. $8.00 for hardback
$3.00 for paperback
D. $7.50 for hardback
$3.50 for paperback
Answer: C
Mathematics
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