B) The symbol means less than OR equal to.
E) The symbol means more than OR equal to.
F) The symbol means equal to.
Then, the total weight would be: 3 * 14 = 42 Ounces
2 becuae......................................................................................................you have 5/10
If each week the tank decreased by 3 inches, in 2 weeks it would be 6 in, 3 weeks is 9 in, 4 weeks would be 12 in, and 5 weeks would be 15 in.