Chapter 1 - XYZ Custom Plus

1.4 Problem Set39DApplying the ConceptsNot all of the following application problems involve only subtraction. Some involve addition as well. Be sure to read eachproblem carefully.69. Checkbook Balance Diane has $504 in her checkingaccount. If she writes five checks for a total of $249,how much does she have left in her account?$255Instructor NoteThe instructions to the word problems on this page point to a commonfeature of this book. Students will find that not all the word problemshere involve subtraction. Also, there may be numbers given in theproblem that are not a part of the solution to the problem.70. Checkbook Balance Larry has $763 in his checkingaccount. If he writes a check for each of the three billslisted below, how much will he have left in his account?$203ItemAmountRent $418Phone $25Car repair $11771. Home Prices In 1985, Mr. Hicks paid $137,500 for hishome. He sold it in 2008 for $310,000. What is thedifference between what he sold it for and what hebought it for?$172,50072. Oil Spills In March 1977, an oil tanker hit a reef offTaiwan and spilled 3,134,500 gallons of oil. In March1989, an oil tanker hit a reef off Alaska and spilled10,080,000 gallons of oil. How much more oil was spilledin the 1989 disaster?6,945,500 gallons73. Wind Speeds On April 12, 1934, the wind speed on topof Mount Washington was recorded at 231 miles perhour. When Hurricane Katrina struck on August 28,2005, the highest recorded wind speed was 140 milesper hour. How much faster was the wind on top ofMount Washington, than the winds from HurricaneKatrina?91 miles per hour74. Concert Attendance Eleven thousand, seven hundred fiftytwopeople attended a recent concert at the Pepsi Arenain Albany, New York. If the arena holds 17,500 people,how many empty seats were there at the concert?5,748 seats