840:10,20,30,40,60,70

840:10=84 840:20=42 840:30=28 840:40=21 840:60=14 840:70=12

[latex] \frac{840}{10} [/latex] = 84 [latex] \frac{840}{20} [/latex] = 42 [latex] \frac{840}{30} [/latex] = 28 [latex] \frac{840}{40} [/latex] = 21 [latex] \frac{840}{60} [/latex] = 14 [latex] \frac{840}{70} [/latex] = 12