Legs

Cancer has five pairs of legs, and the insect has six legs. Sixty animals have a total of 500 legs. How much more are cancers than insects?

Correct answer:

d =  10

Step-by-step explanation:

5 2 r+6 h=500 r+h=60  6h+10r=500 h+r=60  Row261 Row1Row2 6h+10r=500 0.67r=23.33  r=0.6666666723.33333333=35 h=650010r=650010 35=25  h=25 r=35  d=rh=3525=10



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