1.

2 Hou much time is hequtres toCover d20 km uith the samesped?Find the diestancecoveied ia 4houts uith the cSame peed3

Answer»

d=100kmt=21hrsv=d/tv=100/21

d=120kmt=d/vt=120/(100/21)t=2520/100t=25.20hrs

ii)t=4hrsv=100/21 km/hrd=vtd=(100/21)*4d=400/21 km



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