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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
by
6.0k 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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5.9k points
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