diture whence, we have now the following simple con

(36) 1 wk.: 52 wks. :: £152. 10s.

(38) Instead of £1, the sum of 16s. 6d. only is clear income whence, we have

(39) The aggregate of the three dividends will be 4s. 24d. + 3s. 21d. + 2s. 44d. = 9s. 9d. in the pound, so that the creditors lose 10s. 3d. in the pound: whence we have

312s. 6d. = cost in the first bargain:

3 yds. 125 yds. :: 5s.

5

3) 625

208s. 4d. cost in the second bargain;

=

therefore, the whole prime cost amounts to 520s. 10d.:

which being less than 520s. 10d. by 20s. 10d. = £1. Os. 10d. shews that the last-mentioned sum is lost by the transaction.

THE DOUBLE RULE OF THREE.

PAGE 60.

(1) 7 persons 10 persons :: 70 gs.

sumed by 28 horses in 7 days: then we have

to reap 70 acres in 4 days whence, we have

each, in which 64 men can do the piece of work: hence,

each, in which 64 men can perform the work; so that 9 × 3 = 27 days will be the time required.