Answer:

Step-by-step explanation:

: Do cross multiplication

: Multiply the numbers : 4 and 14

Move 3 to right hand side and change it's sign

Subtract 3 from 56

The value of k is 53
Hope I helped!
Best regards! :D
~TheAnimeGirl
I dont really know. you dont know how big the walls are and how far 1 gallon goes so figure how far 1 gallon goes and then divide it by the 1,162.5
Sorry but grade math is this so I can have a better understanding
Kilograms per cubic centimeter