e 2 M5 161; 40 A6; 6° 4805 6° ms; T

5. 1008%; 20449; 3°19% 3 403$ %; 00 163%; 60744; 7° 84 % ; 8° 6, pour cent; 9° £} pour cent.

EXERCICES (N° 181, p. 146).

1° 157,5 lbs, ; 20 #243.392 ; 30 £8 9 71 ; 40 18 qtx. 19 $4.25 ; 29 £L 4 0, ; 30 53.9 gal. ; 49 10 3h. 74 mi. 3 20 80.20 ; 30 % 3 40 £0 15 24 + 4}

EXERUICES (NO 183, p. 146).

1, 1982 + $20 = 0.10 = R. 10%; 29 $0.25 + $5 = 0.05 = R. 5 % ; 3° $21.60 + 1440 = $0.015 = R. 14 % ; 4° £160 5 = £160.25 ; £12 16 44 = £12.82; £12.82 + Æ160.25 = 0.08 = R. 8%; 5° F0.30 + $4 = 0.075 = R,. 74 pour cent.

2. 1° 24 per. + 450 per. = 0.05 = R. 5%; 29,4 + 3% = 19% = 0.025 = R. 21%; 39 11 gal. 2 pin. + 92 gal. = 0.125 = R. 124 pour cent,

3. 19 11 Ibs. 4 on. ja 30 Ibs, = 0.375 = KR. 373 Ze 5 20 60 lbs. + 720 Îbs. = 0. 0% = KR. 8: %; 3° 463 ver. + 620 ver. = 0.075 = k. 1%; 4° 77 ‘hé + 140 Ibs. = 0.65 == R, 55 pour cent. . 1° 20.01 + $578 = 0.045 = R. 44 % ; 29 $80 + $250 = 0.32 =R 32%; 38 +4 = 0.21 = R 21%; 49 £3 15 = £3,15; 38. 94, 0.187568. ; 0.18758 + £3.15 = 0.05 mn R,. 5 pour cent,