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141. In the model town that a class is building, a car 15 feet long is represented by a scale model 3 inches long. If the same scale is used, a house 35 feet high would be represented by a scale model how many inches high?
142. (2, 5), (4, 9), (6, 13)Which of the following describes what to do to the first number in each ordered pair shown above to obtain the corresponding second number?
143. Kate bought a book for $14.95, a record for $5.85, and a tape for $9.70. If the sales tax on these items is 6 percent and all 3 items are taxable, what is the total amount she must pay for the 3 items, including tax?