4the pet store has 6 fish tanks.
each tank has 7 goldfish and 5
tetras. what is the total
number of fish (f) in the tanks?
x
= f
_= f
f

72 fish total. 12 fish in each tank.

(g+t)n=f

g=Goldfish

t=Tetras

n=Number of fish tanks

*If I got it wrong, let me know*

answer: 45

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk