Colin wants to set up an aquarium.. he already has a tank, but needs to purchase fish, filters, and plants. if the cost of the fish
is $84.79, the filters usually cost $60.45 but colin finds them on sale for $44.75, and the cost of the plants is $18.66, determine
how much of colin's $488.85 savings will be used to set up his aquarium.
a $289.81

$148.2

Step-by-step explanation:

He needs to purchase fish, filters, and plants

Cost of the fish: $84.79

Cost of the filters: $44.75

Cost of the plants: $18.66

Total cost: $84.79 + $44.75 + $18.66 = $148.2

Despite how much Colin saved, he spent $148.2 to set up an aquarium.

b

step-by-step explanation:

i dont know

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like: