16. The ratio of income to expendiure of a laăŚ14000.17. The ratil

1.	16. The ratio of income to expendiure of a laăŚ14000.17. The ratilo of zinc and copper infind the weight of zinc in it.is 7:9.n alloy is 7:9. If the weight of copper in the alloy is1hours. Findtheus covers 128 km in 2 hours and a train covers 240 km in 3their speeds.8. A b
Answer» 7)Zinc : copper = 7 : 9 : : x : 11.7= 7/9 x/11.7cross multiplication= 711.7=9x= 81.9 = 9x= 81.9/9 = x= 9.1 = x hit like if you find it useful

16. The ratio of income to expendiure of a laăŚ14000.17. The ratilo of zinc and copper infind the weight of zinc in it.is 7:9.n alloy is 7:9. If the weight of copper in the alloy is1hours. Findtheus covers 128 km in 2 hours and a train covers 240 km in 3their speeds.8. A b

Answer»

7)Zinc : copper = 7 : 9 : : x : 11.7= 7/9 x/11.7cross multiplication= 7*11.7=9*x= 81.9 = 9x= 81.9/9 = x= 9.1 = x

hit like if you find it useful