INTRODUCTORY MATHEMATICS AND STATISTICS 6TH EDITION SOLUTIONS MANUAL John S. Croucher Introductory Mathematics and Statistics 6e, John S Croucher, 2013 McGraw-Hill Education (Australia) Pty Ltd2 Solutions Manual, Chapter 1 Chapter 1 Basic mathematics Quick Qui z 1.(c) 2.(d) 3.(c) 4.(d) 5.(e) 6.(c) 7.(b) 8.(b) 9.(d) 10.(e) Practice Questions 1.7056 2.(39) 3.3 4.432 5.

6.49.051 7.120 cars 8.5 bottles 9.3.245798x104 10.27/40 Exercises 1.1(a) twenty-three (b) fifty-nine (c) three hundred and forty-six (d) seven hundred and eighty-two 1.2(a) one thousand four hundred and twenty-eight Introductory Mathematics and Statistics 6e, John S Croucher, 2013 McGraw-Hill Education (Australia) Pty Ltd3 Solutions Manual, Chapter 1 (b) twenty-one thousand three hundred and forty-seven (c) sixty-six thousand four hundred and sixty-nine (d) nine hundred and thirty-two thousand one hundred and fifty-eight (e) three million four hundred and fifty-seven thousand six hundred and twenty-two 1.3(a)15 (b)10 (c)12 (d) 19 1.4(a)2 7 =14(b)7 3 =21(c)8 +3 =11(d) 2 +15 =17 1.5(a)14(b)18(c)10(d) 54 1.6(a) 14(b) 14(c) 14 1.7(a) 12(b) 14 (c) 14 1.8(a)60(b)300(c)90 1.9(a)720(b)490(c)1500 1.10(a)1(b) 720(c) 320 1.11(a) 38(b) 34(c)0 1.12(a) 14(b)112(c) 516 1.13(a) 16(b) 12(c) 14 1.14(a) 12(b)

(c)

1.15(a) 15(b)8(c)1 1.16(a)11116 (b)113(c)1 1.17(a) 12(b) 340(c) 18 1.18(a)0.5(b)0.375(c)0.416 1.19(a)0.625(b)0.583(c)0.45 1.20(a)10(b)6.1(c)4.19 1.21(a)0.546(b)2.601(c)6.9265 1.22(a)3.2(b)0.32(c)0.125 1.23(a)8.4665(b)14.45(c)0.39 1.24(a)4(b)5(c)1020 1.25(a)3.82(b)386.25(c)5.4 1.26(a)512(b)9(c) 15 1.27(a) 132(b) 164(c) 14 Introductory Mathematics and Statistics 6e, John S Croucher, 2013 McGraw-Hill Education (Australia) Pty Ltd4 Solutions Manual, Chapter 1 1.28(a)16(b)3(c) 125 1.29(a)4(b)27(c)4 1.30(a)24(b)4(c) 1.311 1.32fraction uneaten =14 1.33(a) 45(b)116 1.34(a)0.375 litres(b)0.015625 litres(c)3 litres1.35(a)114 cups of oats and 334 cups of water(b)20 cups 1.36(a)2.387 10(b)3.59 101(c)4.6 104 1.37(a)6.8 102 (b)6.4 103 (c)3.5648 103 1.38(a)0.7520(b)1.6830(c)0.5514 1 1.39(a)2.3747(b)1.5378(c)0.6542 2 1.40(a)19.4816(b)13.9919(c)1.513 1.41(a)903(b)3771(c)24 1.42(a)32(b)19(c)333 1.43(a)84(b)30(c)35 1.44(a)66(b)42(c)86 1.45(a)360(b)720(c)180 1.46(a)9360(b)126(c)1344 1.47(a)80(b) 35(c)0.0324 1.48(a) 43 (b) 14(c)2053 =34.2 1.49(a)4.56 102(b)6.7 105(c)3.4589 102 1.50(a)2.56987 102 (b)1.00005(c)1.71717 101 1.51(i) 1.4406(ii) 0.2464(iii) 0.8445 1.52(a)6.0967(b)0.00797(c)5.116 1.53(a)5 bottles(b)13 bottles(c)15 bottles 1.54(a)$(72 15) +(72 20) =$2520 (b)$(25 15) +(32 20) =$1015 (c)$(49 15) +(48 20) =$1695 1.55(a)120 m3 (b)280 m3(c)560 m3 1.56(a)$(3 40) +(2 55) =$230(b)$(5 40) +(6 55) =$530 (c)$(10 40) +(12 55) =$1,060 Introductory Mathematics and Statistics 6e, John S Croucher, 2013 McGraw-Hill Education (Australia) Pty Ltd5 Solutions Manual, Chapter 1 1.57(a)(5 8) +(7 20) =180 minutes (b)(8 8) +(8 20) =224 minutes(c)(9 20) =180 minutes 1.58(a)$225(b)$280(c)$225 1.59total wash time =120 minutes (a)6(b)12(c)18 1.60(a) 960010=960 minutes =16 hours (b) 960012=800 minutes =13 hours 20 minutes (c)8 hours (Sid is the slowest) (d) 8 hours +6 hours 40 minutes =14 hours 40 minutes (e) 3 hours +780012minutes =13 hours 50 minutes 1.61(a)7 h 17 min(b)$210.83 1.62Mary receives $220 0008 =$27 500 Sarah receives $220 0005 =$44 000 J oan receives $220 000 $27 500 $44 000 =$148 500 1.63(a)90(b)4 15 =60(c)5 5 5 =125 1.64(a)3.571 (b)0.178 (c)3.802 1.65(a)0.750 (b)0.514 (c)6.900 1.66 (a)16.887 (b)9.217 (c)1.258 1.67(2 12) +5 =29 years 1.68LCM =3 22 52 112 =36 300 1.69(a)1.68574 (b)0.20412 (c)0.23657 1.70(a)0.797(b)951.815(c)1.658 1.71(a)983(b)2.3048(c)25 1.72(a) 772(b) 811(c) 815 1.73(a)2(b)2(c)1 1.74(a)39.92(b)45.37(c)2.32 1.75Bob takes 18 minutes to eat one pizza. Total time to eat 1.5 pizzas =27 minutes. 1.76Telephone: 1.6 hours Answering counter enquiries: 2.33 hours Paperwork: 20.07 hours 1.771.58 m Introductory Mathematics and Statistics 6e, John S Croucher, 2013 McGraw-Hill Education (Australia) Pty Ltd6 Solutions Manual, Chapter 1 1.785.237 356 106 1.79log (5/3) +log 9 log 5 log 3 =log 5 log 3 +2log 3 log 5 log 3 =0 1.804.671