Answer:
i dont know if u know the equation for volume but it is length times width times height SO you would multiply 8.25 times 3 times 5
5 times 3 is 15 so u then multiply 8.25 times 15
sorry if u wanted the full answer
Remember you can do anything to an equation as long as you do it to both sides
a=age
500 reduced by 2 times a is equal to 388
500-2a=388
minus 500 both sides
-2a=-112
divide both sides by -2
a=56
you are 56
Answer:
x=4
Step-by-step explanation:
Problem set up is: 5x-6=14
5x=20
x=4
The answer should be (7x+1)(7x-1)
In the old aquarium, 3 tablespoons of salt were used for 20 gallons. That's a conversion ratio of

That is, for every gallon of water in the aquarium, there was 0.15 tbsp of salt. So a 50 gallon aquarium, Ill should add

to maintain the salinity.