x 0.25 = $18; $18 + $300 = $0.06 = R. 6 pour cent

EXERCICES (N© 185, p. 147).

1. 1935 + 0.10 = R. 350 ; 2° 84 + 0.07 = R. 1200; 30 $3.60 + 0.15— KR. 524; 4° $55. 50 + 0.044 = R. $1280. 7618.

2, 1° 866 + 0.054= R . $1200; 2° su. 86 + 2.13, — KR. $0.40% ; 305 +0.30= R. 2e.

8. 1° £32 8 3 + 0.075 = R. £432 34; 29 207 + 0.68 = Re 345; 30 $1.825 + 0.125 = R. $14.60,

4, 19 $2.817 + 0.125 = KR, $22.60 ; 29 3m. 1 fur. 1 per. + 0.064 = À. 50 m. 0 fur. 16 per.; 39 164 + 0.023 = R. 600.