How does pressure affect the solubility of a gas?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Which of the following questions describes the equation g + (-4) = -5? a)what number, when added to negative four, is equal to negative five? b)what number, when added to negative five, is equal to negative four? c)what number, when subtracted from negative four, is equal to negative five? d)what number, when subtracted from negative five, is equal to negative four?