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Navdeep
Answers (5)
Edith Cowan
it's D(10)
M1V1+M2V2=(M1+M2)V V1+V2=V
x=25 x+2x+4=25 3X+4=25 3x=21 (divide 21 by 3) x=21/3 x=7
Dfrom point a to point b=215miles VELOCITYaverage=change in distance/change in time =215miles/4.5hrs Approx.=47.8 or 48mph
