254 ANSWERS TO PROBLEMS 



per cent. 391. 156. 392. 804; 924. 393. $69. 394. 90 cents. 

 395. Commercial is 50 cents cheapei per barrel. 396. Lost $5.34. 



CHAPTER VIII 



397 $1,562,444,378. 398. $2,505,207,426; 160.3. 399. $582.- 

 606,378; 23.3. 400. $407,824,465; $11,011,261. 401. $233,042.- 

 551; $377.70. 402. $5,296,422; 77.6. 403. 63,773,239. 404. 

 23,010,998; 4,623,860; 59,291,344; 52,487,062; 2,452.047. 405. 

 $20.33. 406. $1,129,195,120. 407. 61,355,014. 408. 83.7; 9.6; 

 12.1; 85.9. 412. 16. 414. Slightly less than 27 inches. 415. 

 71.25 inches. 416. 71.25 inches; 71.25 inches. 417. 24.8 inches. 

 418. 62 inches; 62 inches. 419. 17.5 hands or 70 inches. 420. 

 70 inches. 421. 28 inches. 422. Slightly more than 9.33 inches. 

 424 25.08 inches; 18.92 inches. 425. 19.84 inches. 427. 2.84 

 pounds; 2.33 pounds. 428. 6.9; 8.5. 429. 752.4; 1,401.3. 430. 

 86.2. 431. $6.62; $10.60. 432. 2,557.15 pounds; 781.11 pounds; 

 1.467.81 pounds; 2.043.75 pounds. 433. $31.48; $72.68; $118.64; 

 $183.02. 434. $39.06. 435. $95.41. 436. $143.06. 437. $204.57. 

 438. $7.58; $22.73; $24.42; $21.55. 439. About 26 months 

 (middle third period); About 18 months; About 10 months; 

 About 5 months ; At the earliest possible date. Note : The 

 average cost of anv period is reached at about the middle of 

 the period. 440. 5.4 cents ; 44.6 per cent. 441. $216. 442. $300 ; 

 $516. 443. 12.8 per cent. ; 10.4 per cent. 444. $227.50. 445. 6.8. 

 446 8.3. 447. 9.68 cents. 448. 13.21 cents. 449. 22.23 cents 

 450 11 cents. 451. 19.46 cents. 452. 9.57 cents. 453. $70. 454. 

 $42.53. 455. $5.14. 456. $68.27. 457. $12.62. 458. $79.09. 459. 

 7 200 pounds; 4,320 pounds. 460. $828. 461. $332.80. 462. 

 $209 52. 463. $123.28. 464. 58.8. 465. 33.75. 466. $3. 467 

 $4 01. 468 $3. 469. $1.99. 470. $1.50. 471. 15 cents. 472. $5 

 profit. 473. 65 cents. 474. 4,012.5. 475. 280.599,808; 224.479.- 

 846 476 1,599.418,906 dozen. 477. 49.63 cents; $140,188,333.25. 

 478 $308,687,848. 479. $523,876,182.11. 480. 12.4. 481. 7.4. 

 482. 7.1. 483. 3.6. 484. 2. 485. 1.9. 



CHAPTER IX 



486 4 6 hours; 41 minutes. 487. 85. 488. 1.65 hours; 0.18 

 hours' 489 9.2. 490. 65. 491. 30 minutes; 10.4 mmutes. 492. 

 19 9 • 19 2. 493. 17.6 hours ; 8.1 hours. 494. 40.8 cents ; 16.5 cents. 

 495 'l9 cents ; 10 cents. 496. 9.6 cents ; 4.0 cents. 497. 6.0 cents ; 

 2 7 cents. 498. 3.1 cents; 2.3 cents. 499. $4.03; $1.64. 500. Rye 



2 64 hours; 1.01 hours; 18.9 cents; 15.9 cents. Sweet potatoes 



3 02 hours; 1.16 hours; 32.7 cents; 9.8 cents. Tomatoes 2.16 

 hours' 9 hours; 24.1 cents; 10.5 cents. Strawberries 26 

 minutes; 10 minutes; 5.8 cents; 2.4 cents. Beets 1.47 hours; 

 40.5 minutes; 10.8 cents; 6.7 cents. 



■.9. 



