Respuesta :

pink3343
17, because you divide 22 in half and add 6 because there are half as many mollies and there are 6 more guppies then goldfish.
dross3847
x=goldfish   4 goldfish
m=mollies   8 mollies
g=guppies  10 guppies

1/2m=x represents 1/2 of the amount of goldfish   6+g=x represents 6 more guppies than goldfish.

1/2*8=4                                                                   6+4=10

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