0.79 0.21 1 Ans1Strat 0.595 0.395 0.01 0.005 0.005 0.99 Ans1Strat1Step1 0.7 0.29 0.01 0.29 0.7 0.01 0.005 0.005 0.99 0.6 0.4 Ans1Strat1Step2 Ans1Strat1Step3Path 0.7 0.29 0.01 0.005 0.005 0.99 0.29 0.7 0.01 0.005 0.005 0.99 0.005 0.005 0.99 0.005 0.005 0.99 Ans1Strat1Step31 0.8 0.19 0.01 0.39 0.6 0.01 0.005 0.005 0.99 Ans1Strat1Step41 0.8 0.19 0.01 0.39 0.6 0.01 0.005 0.005 0.99 Ans1Strat1Step2 Ans1Strat1Step3Path 0.005 0.005 0.99 0.6 0.39 0.01 0.005 0.005 0.99 0.19 0.8 0.01 0.005 0.005 0.99 0.005 0.005 0.99 Ans1Strat1Step32 0.8 0.19 0.01 0.39 0.6 0.01 0.005 0.005 0.99 Ans1Strat1Step42 0.8 0.19 0.01 0.39 0.6 0.01 0.005 0.005 0.99 Ans1Strat1Step52 Ans1Strat1Step51 0 1 2 0 1 2 0.8 0.19 0.01 0.39 0.6 0.01 0 0 1 0.8 0.19 0.01 0.39 0.6 0.01 0 0 1 0.0004999999999999449 0.0004999999999999449 0.999 Ans1Strat 0.005 0.005 0.99 0.595 0.395 0.01 Ans1Strat2Step1 0.8 0.19 0.01 0.39 0.6 0.01 0.005 0.005 0.99 Ans1Strat2Step2 0.8 0.19 0.01 0.39 0.6 0.01 0.005 0.005 0.99 Ans1Strat2Step3 Ans1Strat1Step6 0 1 2 0 1 2 0.8 0.2 0.09999999999999998 0.9 0 1 0.8 0.2 0.09999999999999998 0.9 0 1 0.09999999999999998 0.9 Ans1Strat1Step1 1 2 1 0.1 0.6 0.4 0.2 0.8 0 1 0.5 0.5 Ans1Strat1Step2 1 2 1 0.1 0.7 0.3 0.3 0.7 0 1 0.5 0.5 Ans1Strat1Step31 1 2 1 0.1 0.7 0.3 0.3 0.7 0 1 0.5 0.5 Ans1Strat1Step41 Ans1Strat1Step42 1 2 2 1 1 0.1 0.6 0.4 0.2 0.8 0 1 0.6 0.4 0.2 0.8 0 1 0.5 0.5 Ans1Strat1Step51 Ans1Strat1Step52 1 2 2 1 1 0.1 0.6 0.4 0.2 0.8 0 1 0.6 0.4 0.2 0.8 0 1 0.5 0.5 Ans1Strat2Step1 Ans1Strat2Step2 1 2 2 1 1 0.1 0.6 0.4 0.2 0.8 0 1 0.6 0.4 0.2 0.8 0 1 0.5 0.5 Ans1Strat2Step2 Ans1Strat2Step1 1 2 2 1 1 0.1 0.6 0.4 0.2 0.8 0 1 0.6 0.4 0.2 0.8 0 1 0.5 0.5 Ans1Strat1Step32 1 2 1 0.1 0.8 0.2 0.4 0.6 0 1 0.5 0.5 Final Answer 509 760 591 811 c=20+0.25*d 245 207 293 237 20+0.25*d=43 67 331 115 361 0.25*dt=23 66 444 114 474 d=92 67 557 115 587 Solution Strategy 439 39 487 69 Try <n> != 92 800 163 848 193 Try <n> == 92 803 310 851 340 20+0.25*d>43 433 333 481 363 0.25*d>23 436 430 484 460 d>92 436 531 484 561 d: distance; c: cost 247 105 295 135 Answer: ">=92" 243 694 291 724 Choose variables 413 153 492 198 Set up algebraic equations 53 189 127 252 Set up algebraic inequalities 586 414 675 476 Set up numerical expressions 586 214 676 277 Use numerical expressions 952 229 1056 271 Simplify by addition and subtraction 212 472 312 530 Simplify by multiplication and division 219 574 320 633 Set up linear model 60 101 130 155 Answer: ">=92" 804 423 852 453 Solution Path 245 292 293 322