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A fish tank contains 1/2 as many goldfish as mollies, and there are 6 more guppies than goldfish. If the total combined number of fish in the tank is 22, how many mollies are in the tank? plz help me
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A fish tank contains 1/2 as many goldfish as mollies, and there are 6 more guppies than goldfish. If the total combined number of fish in the tank is 22, how many mollies are in the tank?

plz help me

User Jabal Logian
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8.1k points

1 Answer

1 vote
M-mollies
G-goldfish
gu-guppies


.5G=m
G+6=gu
M+gu+G=22

(.5G)+(G+6)+G=22
3G(.5)+6=22
3G(.5)=18
3G=36
G=12

Plug G into the first equation.
.5(12)=24
There are 24 mollies
User Wolffan
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7.9k points
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