Determine whether the statement is an implication

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?