Queen12340 Queen12340
  • 14-04-2018
  • Mathematics
contestada

sweet t has 2 orange picks for every five green. if there are 21 picks in all, how many picks are orange

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mkryukova19 mkryukova19
  • 14-04-2018
21 picks
altogether (2x+5x)=21
7x=21
x=3
2*3=6 orange picks

or
x=orange, y = greens
x+y=21
x/y=2/5,---->   y=5x/2
x+5x/2=21
2x/2+5x/2=21
7x/2=21
7x=42,
x=6  orange picks





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