Tom is currently x years old. which expression correctly describes how old he was 4 years ago? a) 4+ x b) x - 4 c) 4 - x d)4x

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday