In three shops 87 the worker.v the first on 17 0 people is more, than in the second, and in three times more, than tretyes how many workers in the shop

39
1 shop - on the 17th persons of gt; than in the 2nd the 2nd shop - by 3 times of gt; than in the third the 3rd shop - All the 87th persons x + the 3rd + the 3rd +17 = 87 of the 7th = 87 - 17 of the 7th = 70 x = the 10th persons in Fellow countrymen shop 3 * 10 = the 30th persons in the 2nd 30 shop + 17 = the 47th persons in the 1st shop
45
Answer add