学 2 he x A. x 40 B. x 24 C. 40 x D. 24 x E. 24 + x 2 2 + 8 = 40. x x so 0 x. . 2 at 6 a 70 At 0 A. 648 B. 1,800 C. 2,700 D. 10,800 E. 64,800 of 270= 45 0 5 (10) = 450 0 50 (4) = 1, 800 . 3. Q, R, , to a in :5:8, s 4,000, of (A) $26,000 (B) $30,000 (C) $52,000 (D) $60,000 (E) $300,000 on :5:8, as , , 158. 152= $ 4,000, T = 000,30$)000,4(215= . So . 4. Of , B, C, D, on (A) A (B) B (C) C (D) D (E) E of a x be of as x on By of of is . 学 A no If 0 5 of of A) $40 42 (B) $39 41 (C) $38 40 (D) $37 39 (E) $36 37 is be P is It be 39 41. of a . is 6. to up of a 0 If an 80 of (A) 34 (B) 40 (C) 68 (D) 88 (E) 102 of 0w= 680 so w =680/20 = 34 of is 4 + 20 + 34 = 88 is 7. If ut, r q, s t, t r, of be . us . sq . ur (A)B)C) D) (E) we q u or t 0) in 0k. By 6 is of to in to be ,000. E is 10. )24)(3( =+ b3, b = (A) 8 (B) 2 (C) 21 (D) 21(E) 2 )24)(3( =+ it 3=b 24 =+b. =b 1=b . b is 1=b . C is 11. In a oes 50 If of 00 of in of (A) 225 (B) 275 (C) 325 (D) 350 (E) 400 be in oes + S = 750 F = S + 300. be = 2F 300, F = 300 be in to + (2F = 300) = 750. 3F = 1,050, = 350 D is 12. , a 5 . s obs ob (A) 24 (B) 23 (C) 22 (D) 21 (E) t be of ob he t (t + 1) 5 t + 3(t + 1) = 45, be t as 4t + 3(t + 1) = 45, 4t + 3t + 3 =45, 7t = 42, so t = 6 ( t = 4(6) = 24 A is 13. is of is (A) B) C) D) E) 学