Question

3:5 is the ratio of iron and tin and the total weight of noth is 872 wjat is the proportion of tin and iron​

Answer 1

Iron is 327 and Tin is 945

Answer 2

$3x + 5x = 872 \\ 8x = 872 \\ x = 872 \div 8 = 109 \\ therefore \: x = 109 \\ \\ i.e \: 3x = 109 \times 3 = 327 \\ \: \: \: \: \: \: x = 109 \times 5 = 45 5$

Propotion of iron to tin = 327:545 respectively